Is nextend-facebook-connect (WordPress plugin) vulnerable?

WordPress nextend-facebook-connect has 3 known advisories in the phpwarden feed. Feed 2026.10.28.3, updated 2026-10-28.

3advisories
0critical
0on CISA KEV
1no fix recorded
CVETitleSeverityCVSSAffectedFixed in
CVE-2014-8800Cross-site scripting (XSS) vulnerability in nextend-facebook-settings.php in the Nextend Facebook Connect plugin before 1.5.1 for WordPress medium4.3<=1.5.0–
CVE-2015-4413Cross-site scripting (XSS) vulnerability in the new_fb_sign_button function in nextend-facebook-connect.php in Nextend Facebook Connect plugmedium4.3<1.5.61.5.6
CVE-2024-1775The Nextend Social Login and Register plugin for WordPress is vulnerable to a self-based Reflected Cross-Site Scripting via the ‘error_descrmedium5.4<3.1.133.1.13

Am I affected?

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.

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pip install phpwarden

# then
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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