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11 vulnerabilities found for by XenForo

CVE-2026-35057 (GCVE-0-2026-35057)
Vulnerability from cvelistv5
Published
2026-04-01 00:30
Modified
2026-04-01 13:19
Severity ?
5.1 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
6.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
XenForo before 2.3.10 and before 2.2.19 is vulnerable to stored cross-site scripting (XSS) in structured text mentions, primarily affecting legacy profile post content. An attacker can inject malicious scripts through crafted mentions that are stored and executed when other users view the content.
References
Impacted products
Vendor Product Version
XenForo XenForo Version: 2.3.0   ≤
Version: 0   ≤
Create a notification for this product.
Show details on NVD website

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CVE-2026-35056 (GCVE-0-2026-35056)
Vulnerability from cvelistv5
Published
2026-04-01 00:30
Modified
2026-04-01 19:04
Severity ?
8.6 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Summary
XenForo before 2.3.9 and before 2.2.18 allows remote code execution (RCE) by authenticated, but malicious, admin users. An attacker with admin panel access can execute arbitrary code on the server.
References
Impacted products
Vendor Product Version
XenForo XenForo Version: 2.3.0   ≤
Version: 0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-35055 (GCVE-0-2026-35055)
Vulnerability from cvelistv5
Published
2026-04-01 00:30
Modified
2026-04-01 15:51
Severity ?
5.1 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
XenForo before 2.3.9 and before 2.2.18 is vulnerable to cross-site scripting (XSS) related to lightbox usage in posts. An attacker can inject malicious scripts that execute when users interact with post content displayed in the lightbox.
References
Impacted products
Vendor Product Version
XenForo XenForo Version: 2.3.0   ≤
Version: 0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2026-35054 (GCVE-0-2026-35054)
Vulnerability from cvelistv5
Published
2026-04-01 00:30
Modified
2026-04-01 13:37
Severity ?
5.1 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
6.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
XenForo before 2.3.9 is vulnerable to stored cross-site scripting (XSS) related to BB code rendering. An attacker can inject malicious scripts through BB code that are stored and executed when other users view the content.
References
Impacted products
Vendor Product Version
XenForo XenForo Version: 2.3.0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-71282 (GCVE-0-2025-71282)
Vulnerability from cvelistv5
Published
2026-04-01 00:30
Modified
2026-04-01 12:21
Severity ?
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-209 - Generation of Error Message Containing Sensitive Information
Summary
XenForo before 2.3.7 discloses filesystem paths through exception messages triggered by open_basedir restrictions. This allows an attacker to obtain information about the server's directory structure.
References
Impacted products
Vendor Product Version
XenForo XenForo Version: 2.3.0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-71281 (GCVE-0-2025-71281)
Vulnerability from cvelistv5
Published
2026-04-01 00:30
Modified
2026-04-03 16:43
Severity ?
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-94 - Improper Control of Generation of Code ('Code Injection')
Summary
XenForo before 2.3.7 does not properly restrict methods callable from within templates. A loose prefix match was used instead of a stricter first-word match for methods accessible through callbacks and variable method calls in templates, potentially allowing unauthorized method invocations.
References
Impacted products
Vendor Product Version
XenForo XenForo Version: 2.3.0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-71280 (GCVE-0-2025-71280)
Vulnerability from cvelistv5
Published
2026-04-01 00:30
Modified
2026-04-01 13:20
Severity ?
6.9 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
XenForo before 2.3.7 allows information disclosure via local account page caching on shared systems. On systems where multiple users share a browser or machine, cached account pages could expose sensitive user information to other local users.
References
Impacted products
Vendor Product Version
XenForo XenForo Version: 2.3.0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2025-71279 (GCVE-0-2025-71279)
Vulnerability from cvelistv5
Published
2026-04-01 00:30
Modified
2026-04-01 19:00
Severity ?
9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-287 - Improper Authentication
Summary
XenForo before 2.3.7 contains a security issue affecting Passkeys that have been added to user accounts. An attacker may be able to compromise the security of Passkey-based authentication.
References
Impacted products
Vendor Product Version
XenForo XenForo Version: 2.3.0   ≤
Create a notification for this product.
Show details on NVD website

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CVE-2025-71278 (GCVE-0-2025-71278)
Vulnerability from cvelistv5
Published
2026-04-01 00:30
Modified
2026-04-01 15:52
Severity ?
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-863 - Incorrect Authorization
Summary
XenForo before 2.3.5 allows OAuth2 client applications to request unauthorized scopes. This affects any customer using OAuth2 clients on any version of XenForo 2.3 prior to 2.3.5, potentially allowing client applications to gain access beyond their intended authorization level.
References
Impacted products
Vendor Product Version
XenForo XenForo Version: 2.3.0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2024-58342 (GCVE-0-2024-58342)
Vulnerability from cvelistv5
Published
2026-04-01 00:30
Modified
2026-04-01 13:43
Severity ?
5.3 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Summary
XenForo before 2.2.17 and 2.3.1 allows open redirect via a specially crafted URL. The getDynamicRedirect() function does not adequately validate the redirect target, allowing attackers to redirect users to arbitrary external sites using crafted URLs containing newlines, user credentials, or host mismatches.
References
Impacted products
Vendor Product Version
XenForo XenForo Version: 0   ≤
Version: 2.3.0   ≤
Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2023-53904 (GCVE-0-2023-53904)
Vulnerability from cvelistv5
Published
2025-12-17 22:44
Modified
2026-04-07 14:07
Severity ?
5.1 (Medium) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
4.6 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Xenforo 2.2.13 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through the smilie category title parameter. Attackers can create a smilie category with a malicious script that will execute when the admin panel is loaded, potentially enabling further client-side attacks.
References
Impacted products
Vendor Product Version
Xenforo Xenforo Version: 2.2.13
 Create a notification for this product.
Show details on NVD website

To clipboard 

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                  "criteria": "cpe:2.3:a:xenforo:xenforo:2.2.13:*:*:*:*:*:*:*",
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Furkan Karaarslan"
        }
      ],
      "datePublic": "2023-06-26T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Xenforo 2.2.13 contains a stored cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through the smilie category title parameter. Attackers can create a smilie category with a malicious script that will execute when the admin panel is loaded, potentially enabling further client-side attacks."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
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            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
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            "providerUrgency": "NOT_DEFINED",
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            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
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            "vulnerabilityResponseEffort": "NOT_DEFINED"
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            "integrityImpact": "LOW",
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            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
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          },
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        {
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            {
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              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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              "type": "CWE"
            }
          ]
        }
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      "providerMetadata": {
        "dateUpdated": "2026-04-07T14:07:26.458Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "ExploitDB-51547",
          "tags": [
            "exploit"
          ],
          "url": "https://www.exploit-db.com/exploits/51547"
        },
        {
          "name": "Official Product Webpage",
          "tags": [
            "product"
          ],
          "url": "https://xenforo.com/"
        },
        {
          "name": "VulnCheck Advisory: Xenforo 2.2.13 Authenticated Stored Cross-Site Scripting via Smilie Categories",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/xenforo-authenticated-stored-cross-site-scripting-via-smilie-categories"
        }
      ],
      "title": "Xenforo 2.2.13 Authenticated Stored Cross-Site Scripting via Smilie Categories",
      "x_generator": {
        "engine": "vulncheck"
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    }
  },
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    "datePublished": "2025-12-17T22:44:43.890Z",
    "dateReserved": "2025-12-16T19:22:09.993Z",
    "dateUpdated": "2026-04-07T14:07:26.458Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}