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CVE-2026-45551

🗓️ 29 May 2026 12:34:22Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 15 Views🌐 WEB

Authenticated stored XSS in Group-Office via settings write overwrites admin email font with JavaScript.

Related
Detection
Affected
Refs
Paths
Vulners
Node
intermeshgroupofficeRange26.0.126.0.25
OR
intermeshgroupofficeRange25.0.125.0.1005
OR
[
  {
    "vendor": "Intermesh",
    "product": "groupoffice",
    "versions": [
      {
        "version": ">= 26.0.1, < 26.0.25",
        "status": "affected"
      },
      {
        "version": ">= 25.0.1, < 25.0.1005",
        "status": "affected"
      },
      {
        "version": "< 6.8.165",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
user_idrequest bodyindex.php?r=core/saveSettingAuthenticated user can persist arbitrary legacy settings including an unsafely crafted email_font_size payload leading to stored XSS in administrator's browser when modulescripts.php loadsCWE-639CWE-79
email_font_sizerequest bodyindex.php?r=core/saveSettingAuthenticated user can persist arbitrary legacy settings including an unsafely crafted email_font_size payload leading to stored XSS in administrator's browser when modulescripts.php loadsCWE-639CWE-79

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17 Jun 2026 10:52Current
5.9Medium risk
Vulners AI Score5.9
CVSS 45.1
EPSS0.0023
SSVC
15