5.4
MEDIUM CVSS 3.1
CVE-2025-11734
Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links <= 1.2.5 - Missing Authorization to Authenticated (Contributor+) Arbitrary Post Trashing
Description

The Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links plugin for WordPress is vulnerable to unauthorized post modification due to missing authorization in all versions up to, and including, 1.2.5. This is due to the plugin registering a REST API endpoint that only checks for a broad capability (aioseo_blc_broken_links_page) that is granted to contributor level users, without verifying the user's permission to perform actions on the specific post being targeted. This makes it possible for authenticated attackers, with contributor level access and above, to trash arbitrary posts via the DELETE /wp-json/aioseoBrokenLinkChecker/v1/post endpoint.

INFO

Published Date :

Nov. 18, 2025, 10:15 a.m.

Last Modified :

Nov. 18, 2025, 10:15 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-11734 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

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM MITRE-CVE
Solution
Update the Broken Link Checker plugin to a version that properly validates user permissions before modifying posts.
  • Update the plugin to the latest version.
  • Verify API endpoint authorization checks.
  • Remove unnecessary contributor capabilities.
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-2025-11734.

URL Resource
https://plugins.trac.wordpress.org/changeset/3390304/broken-link-checker-seo
https://www.wordfence.com/threat-intel/vulnerabilities/id/0254cd1b-f8f6-400e-a48e-81bd553fe8d1?source=cve
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-11734 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-2025-11734 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-2025-11734 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-11734 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]

    Nov. 18, 2025

    Action Type Old Value New Value
    Added Description The Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links plugin for WordPress is vulnerable to unauthorized post modification due to missing authorization in all versions up to, and including, 1.2.5. This is due to the plugin registering a REST API endpoint that only checks for a broad capability (aioseo_blc_broken_links_page) that is granted to contributor level users, without verifying the user's permission to perform actions on the specific post being targeted. This makes it possible for authenticated attackers, with contributor level access and above, to trash arbitrary posts via the DELETE /wp-json/aioseoBrokenLinkChecker/v1/post endpoint.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
    Added CWE CWE-862
    Added Reference https://plugins.trac.wordpress.org/changeset/3390304/broken-link-checker-seo
    Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/0254cd1b-f8f6-400e-a48e-81bd553fe8d1?source=cve
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.
Vulnerability Scoring Details
Base CVSS Score: 5.4
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact