CVE-2026-11766
Ultimate Member < 2.12.0 - Subscriber+ Stored XSS via Custom Textarea Profile Fields
Description
The Ultimate Member WordPress plugin before 2.12.0 does not properly sanitise and escape the value of custom textarea profile fields before outputting it on user profiles, allowing authenticated users with Subscriber-level access and above to store JavaScript that executes when any user, including an administrator, views the affected profile.
INFO
Published Date :
July 6, 2026, 8:16 a.m.
Last Modified :
July 6, 2026, 8:16 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-11766
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Ultimate Member plugin to version 2.12.0 or later.
- Verify that custom profile fields are properly sanitized.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-11766.
| URL | Resource |
|---|---|
| https://wpscan.com/vulnerability/96adb2d3-af34-4455-97d4-90af58049e78/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-11766 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-11766
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-11766 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-11766 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 06, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Unknown', 'product': 'Ultimate Member', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '2.12.0', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added Description The Ultimate Member WordPress plugin before 2.12.0 does not properly sanitise and escape the value of custom textarea profile fields before outputting it on user profiles, allowing authenticated users with Subscriber-level access and above to store JavaScript that executes when any user, including an administrator, views the affected profile. Added Reference https://wpscan.com/vulnerability/96adb2d3-af34-4455-97d4-90af58049e78/