CVE-2026-125389 (GCVE-0-2026-125389)

Vulnerability from cvelistv5 – Published: 2026-11-09 23:27 – Updated: 2026-11-09 23:27
VLAI
Title
Group-Office before 6.8.181, 25.0.116, and 26.0.58 Stored XSS via filterXSS Bypass
Summary
Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a stored cross-site scripting vulnerability in the email viewer due to a flawed regex in StringHelper::filterXSS. Remote attackers can send emails containing tags like svg/onload, which MessagePanel.js renders raw, executing script in the recipient's session when opened.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/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')
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
Intermesh Group-Office Affected: 0 , < 6.8.181 (semver)
Affected: 25.0.0 , < 25.0.116 (semver)
Affected: 26.0.0 , < 26.0.58 (semver)
    cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*
    cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*
    cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-11-09 00:00
Credits
leediay153 from Viettel Post
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:github/Intermesh/groupoffice",
          "product": "Group-Office",
          "repo": "https://github.com/Intermesh/groupoffice",
          "vendor": "Intermesh",
          "versions": [
            {
              "lessThan": "6.8.181",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "25.0.116",
              "status": "affected",
              "version": "25.0.0",
              "versionType": "semver"
            },
            {
              "lessThan": "26.0.58",
              "status": "affected",
              "version": "26.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.8.181",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "25.0.116",
                  "versionStartIncluding": "25.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:intermesh:group-office:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "26.0.58",
                  "versionStartIncluding": "26.0.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
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      ],
      "credits": [
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          "type": "finder",
          "value": "leediay153 from Viettel Post"
        }
      ],
      "datePublic": "2026-11-09T00:00:00.000Z",
      "descriptions": [
        {
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          "value": "Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a stored cross-site scripting vulnerability in the email viewer due to a flawed regex in StringHelper::filterXSS. Remote attackers can send emails containing tags like svg/onload, which MessagePanel.js renders raw, executing script in the recipient\u0027s session when opened."
        }
      ],
      "metrics": [
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            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW"
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        {
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            "attackVector": "NETWORK",
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            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      "providerMetadata": {
        "dateUpdated": "2026-11-09T23:27:55.200Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-52gw-p4j3-v53c)",
          "tags": [
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          ],
          "url": "https://github.com/Intermesh/groupoffice/security/advisories/GHSA-52gw-p4j3-v53c"
        },
        {
          "tags": [
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          ],
          "url": "https://github.com/Intermesh/groupoffice/blob/v26.0.57/www/go/base/util/StringHelper.php#L799"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/Intermesh/groupoffice/commit/8e9ff58807c5cfa71a34a48d80410479c1e7f9f5"
        },
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          "url": "https://github.com/Intermesh/groupoffice/commit/bfc1fba43de53a6f662b1a12e31447a9c65d4d00"
        },
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          "tags": [
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          "url": "https://github.com/Intermesh/groupoffice/commit/f32e9674b162342f0e4a43932f4adaf03e97c755"
        },
        {
          "name": "VulnCheck Advisory: Group-Office before 6.8.181, 25.0.116, and 26.0.58 Stored XSS via filterXSS Bypass",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-stored-xss-via-filterxss-bypass"
        }
      ],
      "title": "Group-Office before 6.8.181, 25.0.116, and 26.0.58 Stored XSS via filterXSS Bypass",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-125389",
    "datePublished": "2026-11-09T23:27:55.200Z",
    "dateReserved": "2026-11-09T22:03:11.018Z",
    "dateUpdated": "2026-11-09T23:27:55.200Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}



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