CVE-2024-10903: 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 multisit

medium Affects broken-link-checker (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

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 multisit

Package
broken-link-checker (WordPress plugin) WordPress
Affected versions
<2.4.2
Fixed in
2.4.2
Severity
medium  CVSS 4.7
Exploitation
not on CISA KEV · EPSS 0% (30.7th percentile)
Published
2024-12-26
Source
nvd

References

CWE-918
NVD recordbroken-link-checker (WordPress plugin) advisories

Am I affected?

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# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden wordpress /var/www/html

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pipx install phpwarden   &&   phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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