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CVE-2021-4434: The Social Warfare plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 3.5.2 via the 'swp_url' parameter. This allows attackers to execute code on the server.

critical Affects social-warfare (WordPress plugin). Feed 2026.10.29.2, updated 2026-10-29; published ; advisory modified .

The Social Warfare plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 3.5.2 via the 'swp_url' parameter. This allows attackers to execute code on the server.

Package
social-warfare (WordPress plugin) WordPress
Affected versions
<3.5.3
Fixed in
3.5.3
Severity
critical  CVSS 10.0
Exploitation
not on CISA KEV · EPSS 2% (79.9th percentile)
Published
2024-01-17
Source
nvd

References

CWE-94
NVD recordsocial-warfare (WordPress plugin) advisories

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Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# 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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