WordPress security changelog
MEDIUM CVE-2024-10903 Analyzed

Broken Link Checker: Server-side request forgery

Broken Link Checker is affected by server-side request forgery. Exposure depends on how the affected operation is made reachable by the site. The vulnerable server can be induced to make attacker-selected network requests.

CVE / CNA score 4.7 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
Broken Link Checker
Plugin slug
broken-link-checker
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Dec 26, 2024
Weakness
CWE-918 — Server-Side Request Forgery (SSRF)

This CVE was published Dec 26, 2024 and is one of 12 known issues for this plugin.

Update, patch or deactivate.

Update Broken Link Checker 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 WordPress plugin before 2.4.2 does not validate a the link URLs before making a request to them, which could allow admin users to perform SSRF attack, for example on a multisite installation.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Primary and upstream sources