Medium severity6.4NVD Advisory· Published May 14, 2024· Updated Apr 8, 2026
CVE-2024-4383
CVE-2024-4383
Description
The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'swpm_paypal_subscription_cancel_link' shortcode in all versions up to, and including, 4.4.5 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:simple-membership-plugin:simple_membership:*:*:*:*:*:wordpress:*:*+ 1 more
- cpe:2.3:a:simple-membership-plugin:simple_membership:*:*:*:*:*:wordpress:*:*range: <4.4.6
- (no CPE)range: <=4.4.5
Patches
Vulnerability mechanics
References
3- plugins.trac.wordpress.org/changeset/3081024/simple-membership/trunk/classes/shortcode-related/class.swpm-shortcodes-handler.phpnvdPatch
- www.wordfence.com/threat-intel/vulnerabilities/id/56fdbf80-8ea2-412a-b166-b7c27de88e70nvdThird Party Advisory
- plugins.trac.wordpress.org/browser/simple-membership/tags/4.4.3/classes/shortcode-related/class.swpm-shortcodes-handler.phpnvdProduct
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