CVE-2025-13217

Ultimate Member <= 2.11.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'value'

Published: Dec 17, 2025Updated: Dec 18, 2025 Sources: CVE List NVDCWE-79

6.4MEDIUM

Description

The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the YouTube Video 'value' field in all versions up to, and including, 2.11.0. This is due to insufficient input sanitization and output escaping on user-supplied YouTube video URLs in the `um_profile_field_filter_hook__youtube_video()` function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that execute whenever a user accesses the injected user's profile page.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:LConfidentiality

Low

I:LIntegrity

Low

A:NAvailability

None

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Weaknesses

CWE-79

Affected Products

ultimatemember

commercialaka ultimate member, ultimate member user profile & membership, ultimate member – user profile

Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership PluginOn-premCMS Plugin

Web & CMS Plugins / wordpress-plugin

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://www.wordfence.com/threat-intel/vulnerabilities/id/876b57e0-cf1e-4ce9-ba85-a5d4554797bd?source=cve

wordfence.com

https://plugins.trac.wordpress.org/browser/ultimate-member/trunk/includes/core/um-filters-fields.php#L80

plugins.trac.wordpress.org

https://plugins.trac.wordpress.org/changeset/3421362/

plugins.trac.wordpress.org

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