CVE-2026-14835

SOGO Add Script to Individual Pages Header Footer <= 3.9 - Contributor+ Stored XSS via Post Metabox

Published Aug 30, 2026 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
The SOGO Add Script to Individual Pages Header Footer WordPress plugin through 3.9 does not sanitise or escape the custom header/footer script values saved from its post metabox, and does not restrict them to users with the unfiltered_html capability, allowing users with contributor-level access and above to store JavaScript that executes in the browser of any administrator who reviews the post and of any visitor once the post is published.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Sogo
Sogo sogo Add Script To Individual Pages Header Footer
Wordpress
Wordpress wordpress
Vendors & Products Sogo
Sogo sogo Add Script To Individual Pages Header Footer
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
Description The SOGO Add Script to Individual Pages Header Footer WordPress plugin through 3.9 does not sanitise or escape the custom header/footer script values saved from its post metabox, and does not restrict them to users with the unfiltered_html capability, allowing users with contributor-level access and above to store JavaScript that executes in the browser of any administrator who reviews the post and of any visitor once the post is published.
Title SOGO Add Script to Individual Pages Header Footer <= 3.9 - Contributor+ Stored XSS via Post Metabox
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 31, 2026, 12:38 PM
Reserved
Jul 6, 2026, 9:51 AM
Status
Deferred
Published
Aug 30, 2026, 7:17 AM
Modified
Aug 31, 2026, 8:14 PM