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CVE-2026-89254

AVideo CustomizeUser Stored XSS via field_name Parameter

CVSS 4.0 9.3 CRITICALCVSS 3.1 8.7 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-89254

Published

AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the CustomizeUser plugin where the field_name parameter is stored raw without sanitization. Administrators can inject malicious scripts via the add.json.php endpoint that execute when viewing extra info pages or profile forms that render the typeToHTML function.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-89254

Published

AVideo

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "WWBN",
                    "product": "AVideo",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "git",
                            "lessThanOrEqual": "c3edcc274c389816d434acadac07ee78eaf330c1"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON