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Vulnerabilities

Vulnerability · CVE-2025-11734

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

Published Nov 18, 2025 · catalog updated Apr 8, 2026 · Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-11734. EPSS is 0.24%. Act only if a listed version of Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.24%
Remediation
Vendor / distro source
Affected products
vendor aioseo Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links 0 ≤1.2.5

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 arb

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor aioseo Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links 0 ≤1.2.50 ≤1.2.5

How to fix CVE-2025-11734

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-11734. EPSS is 0.24%. Act only if a listed version of Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links is installed.

Which versions are affected?

Compare what you have installed with aioseo Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links 0 ≤1.2.5 0 ≤1.2.5. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.24%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 18, 2025 · EUVD

    Detected

    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, w

  2. Apr 8, 2026 · EUVD

    Updated

    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, w

Sources

  • CVE.orgVulnerability recordCVE-2025-11734

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-11734

    30-day exploitation probability 0.24%

    first.org
  • EUVDVulnerability recordEUVD-2025-197971

    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 endpo

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 27, 2026
  • FIRST EPSSOct 26, 2026
  • EUVDOct 26, 2026