Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links: A security weakness
Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links is affected by a security weakness. Exploitation requires at least contributor-level access. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links
- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Nov 18, 2025
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Nov 18, 2025 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update Broken Link Checker by AIOSEO – Easily Fix/Monitor Internal and External links to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L