WP Plugins: SimpleLightbox 2.1.5 Stored XSS (auth)
CVE-2024-5878 Published on May 20, 2025
Multiple Plugins <= (Various Versions) - Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via SimpleLightbox JavaScript Library
Multiple plugins for WordPress are vulnerable to Stored Cross-Site Scripting via the plugin's bundled SimpleLightbox JavaScript library (version 2.1.5) in various versions 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.
Timeline
Vendor Notified
Disclosed 342 days later.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2024-5878 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2024-5878
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Affected Versions
aknieriem Simplelightbox:- Version *, <= 2.14.4 is affected.
- Version *, <= 3.59.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.