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CVE-2021-34665: The WP SEO Tags WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the saq_txt_the_filter parameter in the ~/wp-seo-tags.php file which allows attackers to inject arbitrary web scrip

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

The WP SEO Tags WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the saq_txt_the_filter parameter in the ~/wp-seo-tags.php file which allows attackers to inject arbitrary web scrip

Package
wp-seo-tags (WordPress plugin) WordPress
Affected versions
<=2.2.7
Fixed in
no fix recorded
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 1% (57.9th percentile)
Published
2021-08-16
Source
nvd

References

CWE-79
NVD recordwp-seo-tags (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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