CVE-2026-1319
Robin Image Optimizer <= 2.0.2 - Authenticated (Author+) Stored Cross-Site Scripting via Image Alternative Text Field
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | themeisle |
| Product | robin image optimizer – unlimited image optimization & webp converter |
| Published | Feb 5, 2026 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
themeisle / Robin Image Optimizer – Unlimited Image Optimization & WebP Converter
0 ≤ 2.0.2
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/288cd86b-8d13-46bf-99ef-76698cd62a41?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3445467/robin-image-optimizer/tags/2.0.3/libs/addons/includes/classes/webp/vendor/rosell-dk/dom-util-for-webp/src/PictureTags.php
Credits
Vincent Theriault-Laine