CVE-2026-126369 (GCVE-0-2026-126369)

Vulnerability from cvelistv5 – Published: 2026-11-13 09:36 – Updated: 2026-11-13 09:36
VLAI
Title
Vvveb through 1.0.8.6 Stored XSS via sanitizeHTML() Blacklist Bypass
Summary
Vvveb through 1.0.8.6 contains a stored cross-site scripting vulnerability that allows low-privilege author or vendor users to inject script by bypassing the regex blacklist in sanitizeHTML(). Attackers can save post or product content with unclosed event-handler tags or javascript: entities to execute script for anonymous visitors and admins, enabling session or CSRF-token theft.
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
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
givanz Vvveb Affected: 0 , ≤ 1.0.8.6 (custom)
    cpe:2.3:a:vvveb:vvveb:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-29 00:00
Credits
vq4s fgetss
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Vvveb",
          "vendor": "givanz",
          "versions": [
            {
              "lessThanOrEqual": "1.0.8.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:vvveb:vvveb:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "1.0.8.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "vq4s"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "fgetss"
        }
      ],
      "datePublic": "2026-10-29T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Vvveb through 1.0.8.6 contains a stored cross-site scripting vulnerability that allows low-privilege author or vendor users to inject script by bypassing the regex blacklist in sanitizeHTML(). Attackers can save post or product content with unclosed event-handler tags or javascript\u0026colon; entities to execute script for anonymous visitors and admins, enabling session or CSRF-token theft."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS"
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        {
          "cvssV3_1": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-13T09:36:09.242Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-prqj-4768-vcmq)",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://github.com/givanz/Vvveb/security/advisories/GHSA-prqj-4768-vcmq"
        },
        {
          "name": "VulnCheck Advisory: Vvveb through 1.0.8.6 Stored XSS via sanitizeHTML() Blacklist Bypass",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/vvveb-through-1.0.8.6-stored-xss-via-sanitizehtml-blacklist-bypass"
        }
      ],
      "title": "Vvveb through 1.0.8.6 Stored XSS via sanitizeHTML() Blacklist Bypass",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-126369",
    "datePublished": "2026-11-13T09:36:09.242Z",
    "dateReserved": "2026-11-10T21:25:31.549Z",
    "dateUpdated": "2026-11-13T09:36:09.242Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}



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