WordPress Social Warfare Plugin Cross-Site Scripting (XSS) Vulnerability

MEDIUM 6.1EXPLOITED (CISA KEV)CVE-2019-9978 · Published 24/03/2019 · updated 17/06/2026

WordPress Social Warfare Plugin Cross-Site Scripting (XSS) Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 03/11/2021. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
social warfare warfareplugins	`< 3.5.3`	`3.5.3`
social warfare pro warfareplugins	`< 3.5.3`	`3.5.3`

Description

The social-warfare plugin before 3.5.3 for WordPress has stored XSS via the wp-admin/admin-post.php?swp_debug=load_options swp_url parameter, as exploited in the wild in March 2019. This affects Social Warfare and Social Warfare Pro.

References

packetstormsecurity.com/files/152722/Wordpress-Social-Warfare-Remote-Code-Execution.html · Exploit
packetstormsecurity.com/files/163680/WordPress-Social-Warfare-3.5.2-Remote-Code-Execution.html · Exploit
blog.sucuri.net/2019/03/zero-day-stored-xss-in-social-warfare.html · Exploit
twitter.com/warfareplugins/status/1108852747099652099 · Third Party Advisory
wordpress.org/plugins/social-warfare · Product
wpvulndb.com/vulnerabilities/9238 · Broken Link
cybersecurity-help.cz/vdb/SB2019032105 · Exploit
exploit-db.com/exploits/46794 · Third Party Advisory
pluginvulnerabilities.com/2019/03/21/full-disclosure-of-settings-change-persistent-cross-site-scripting-xss-vulnerability-in-social-warfare · Exploit
wordfence.com/blog/2019/03/unpatched-zero-day-vulnerability-in-social-warfare-plugin-exploited-in-the-wild · Third Party Advisory
seclists.org/fulldisclosure/2025/Jun/1 · Mailing List
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2019-9978

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