Robin Image Optimizer <= 2.0.2 - Authenticated (Author+) Stored Cross-Site Scripting via Image Alternative Text Field

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-1319
CVSS Medium (6.4)
Publicly Published February 4, 2026
Last Updated February 5, 2026
Researcher Vincent Theriault-Laine
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.

References

1 affected software package

Software Type Plugin
Software Slug robin-image-optimizer (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2.0.2
Patched Version
  • 2.0.3
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