Description
The Robin Image Optimizer – Unlimited Image Optimization & WebP Converter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Alternative Text' field of a Media Library image in all versions up to, and including, 2.0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Problem types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Product status
* (semver)
Timeline
| 2026-01-22: | Vendor Notified |
| 2026-02-04: | Disclosed |
Credits
Vincent Theriault-Laine
References
www.wordfence.com/...-8d13-46bf-99ef-76698cd62a41?source=cve
plugins.trac.wordpress.org/...l-for-webp/src/PictureTags.php