What’s Vulnerable › Vulnerabilities

CVE-2023-4773: WordPress Social Login <= 3.0.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-06 · updated 2026-06-17
• Weakness: CWE-79

Description

The WordPress Social Login plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wordpress_social_login_meta' shortcode in versions up to, and including, 3.0.4 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Wordpress Social Login Project Wordpress Social Login: through 3.0.4

References

• https://plugins.trac.wordpress.org/browser/wordpress-social-login/tags/3.0.4/includes/widgets/wsl.auth.widgets.php#L413
• https://www.wordfence.com/threat-intel/vulnerabilities/id/b987822d-2b1b-4f79-988b-4bd731864b63?source=cve
• https://plugins.trac.wordpress.org/browser/wordpress-social-login/tags/3.0.4/includes/widgets/wsl.auth.widgets.php#L413
• https://www.wordfence.com/threat-intel/vulnerabilities/id/b987822d-2b1b-4f79-988b-4bd731864b63?source=cve

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