PT-2026-6039 · WordPress · Robin Image Optimizer

Vincent Theriault-Laine · Published 2026-02-05 · Updated 2026-02-05 · CVE-2026-1319

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Robin Image Optimizer – Unlimited Image Optimization & WebP Converter plugin for WordPress versions up to and including 2.0.2

Description The Robin Image Optimizer plugin for WordPress is susceptible to Stored Cross-Site Scripting. This occurs due to inadequate input sanitization and output escaping in the 'Alternative Text' field when uploading images to the Media Library. Authenticated attackers with Author-level access or higher can inject arbitrary web scripts into pages. These scripts will execute when a user accesses the affected page.

Recommendations Update the Robin Image Optimizer plugin to a version beyond 2.0.2.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-1319

Affected Products

Robin Image Optimizer

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-1319 · Security Note
• https://twitter.com/VulmonFeeds/status/2019352125835202920 · Twitter Post
• https://t.me/CVEtracker/43808 · Telegram Post
• https://twitter.com/CVEnew/status/2019332727062032810 · Twitter Post
• 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 · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/288cd86b-8d13-46bf-99ef-76698cd62a41?source=cve · Note
• https://t.me/cveNotify/150964 · Telegram Post