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CVE-2026-66917

🗓️ 22 Aug 2026 11:12:32Reported by JoomlaType 
cve
 cve
🔗 web.nvd.nist.gov👁 33 Views🌐 WEB

Stored XSS in JoomGallery < 4.3.1 via image payload executes JS in visitor browsers.

Related
Detection
Affected
Refs
Paths
Vulners
Node
[
  {
    "defaultStatus": "unaffected",
    "product": "JoomGallery extension for Joomla",
    "vendor": "joomgalleryfriends.net",
    "versions": [
      {
        "status": "affected",
        "version": "4.0.0-4.3.0"
      }
    ]
  }
]
SourceLink
joomgalleryfriendswww.joomgalleryfriends.net/
ParameterPositionPathDescriptionCWE
jform[title]request bodyindex.php?option=com_joomgallery&task=userimage.save&id=3IDOR via userimage.save allowing Editor to modify any image and store a stored XSS payload in the title (CWE-639, CWE-79).CWE-639, CWE-79
idrequest bodyindex.php?option=com_joomgallery&task=userimage.save&id=3IDOR via userimage.save allowing Editor to modify any image and store a stored XSS payload in the title (CWE-639, CWE-79).CWE-639, CWE-79

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26 Aug 2026 16:35Current
5.8Medium risk
Vulners AI Score5.8
CVSS 48.6
EPSS0.00518
SSVC
33