CVE-2026-85680

Ultimate Member < 2.13.1 - Unauthenticated Stored XSS via Profile Page Title

Published Sep 19, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
The Ultimate Member WordPress plugin before 2.13.1 does not escape a value derived from user supplied profile names before outputting it in the page title, and decodes HTML entities in it after its own sanitisation has already run, allowing unauthenticated attackers who register an account to store JavaScript that will execute when any visitor, including an administrator, views their profile.

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
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Ultimatemember
Ultimatemember ultimate Member
Wordpress
Wordpress wordpress
Vendors & Products Ultimatemember
Ultimatemember ultimate Member
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Description The Ultimate Member WordPress plugin before 2.13.1 does not escape a value derived from user supplied profile names before outputting it in the page title, and decodes HTML entities in it after its own sanitisation has already run, allowing unauthenticated attackers who register an account to store JavaScript that will execute when any visitor, including an administrator, views their profile.
Title Ultimate Member < 2.13.1 - Unauthenticated Stored XSS via Profile Page Title
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Sep 19, 2026, 1:19 PM
Reserved
Sep 4, 2026, 1:40 PM
Status
Deferred
Published
Sep 19, 2026, 7:16 AM
Modified
Sep 21, 2026, 1:34 PM