Stored Cross-Site Scripting in Robin Image Optimizer Plugin for WordPress
CVE-2026-1319

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Robin Image Optimizer – Unlimited Image Optimization & Webp Converter
Vendor
CVE Published:
5 February 2026

What is CVE-2026-1319?

The Robin Image Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting through the 'Alternative Text' field of media library images. This vulnerability arises from inadequate input sanitization and output escaping, allowing authenticated attackers with Author-level access to inject malicious web scripts into pages. Consequently, these scripts execute whenever a user accesses the compromised pages, posing a significant security risk.

Affected Version(s)

Robin Image Optimizer – Unlimited Image Optimization & WebP Converter 0 <= 2.0.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3445467/robi...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Vincent Theriault-Laine
.