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CVE-2024-3972: The Similarity WordPress plugin through 3.0 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS

medium Affects similarity (WordPress plugin). Feed 2026.10.29.3, updated 2026-10-29; published ; advisory modified .

The Similarity WordPress plugin through 3.0 does not have CSRF check in some places, and is missing sanitisation as well as escaping, which could allow attackers to make logged in admin add Stored XSS

Package
similarity (WordPress plugin) WordPress
Affected versions
<=3.0
Fixed in
no fix recorded
Severity
medium  CVSS 4.3
Exploitation
not on CISA KEV · EPSS 0% (13.7th percentile)
Published
2024-06-14
Source
nvd

References

CWE-352
NVD recordsimilarity (WordPress plugin) advisories

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

# or, without Composer
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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