0.0
NA
CVE-2026-11371
BetterDocs < 4.5.5 - Unauthenticated Stored XSS via AI Doc Summarizer Prompt Injection
Description

The BetterDocs WordPress plugin before 4.5.5 does not sanitise an AI-generated documentation summary before storing and outputting it, and the feature that generates it is exposed to unauthenticated users, allowing them to store a malicious payload via prompt injection that executes in the browser of any visitor who views the affected page, including administrators.

INFO

Published Date :

July 16, 2026, 7:16 a.m.

Last Modified :

July 16, 2026, 7:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-11371 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 BetterDocs WordPress plugin to version 4.5.5 or later to fix prompt injection and XSS.
  • Update the BetterDocs WordPress plugin to version 4.5.5 or later.
  • Verify that the AI summary feature is properly sanitized.
  • Review and secure AI prompt handling mechanisms.
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-2026-11371.

URL Resource
https://wpscan.com/vulnerability/db41e3db-74c2-4b94-bbff-bd1493295241/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-11371 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-2026-11371 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-2026-11371 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-11371 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. 16, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Unknown', 'product': 'BetterDocs', 'versions': [{'status': 'affected', 'version': '4.0.0', 'lessThan': '4.5.5', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}]
    Added Description The BetterDocs WordPress plugin before 4.5.5 does not sanitise an AI-generated documentation summary before storing and outputting it, and the feature that generates it is exposed to unauthenticated users, allowing them to store a malicious payload via prompt injection that executes in the browser of any visitor who views the affected page, including administrators.
    Added Reference https://wpscan.com/vulnerability/db41e3db-74c2-4b94-bbff-bd1493295241/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.