CVE-2026-1319

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.

Score

CVSS 3.1 6.4 Medium

Status

Deferred - security@wordfence.com

Published

2026-02-05

Last modified

2026-04-08

Weaknesses

CWE-79

Affected products

• Robin Image Optimizer Unlimited Image Optimization Webp Converter (Themeisle)

References

• https://plugins.trac.wordpress.org/changeset/3445467/robin-image-optimizer/tags/2.0.3/libs/addons/includes/classes/webp…
• https://www.wordfence.com/threat-intel/vulnerabilities/id/288cd86b-8d13-46bf-99ef-76698cd62a41?source=cve