XSS in Robosoft Robo Gallery – Photo & Image Slider
CVE-2026-4300
The Robo Gallery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Loading Label' setting in all versions up to, and including, 5.1.3. The plugin uses a custom `|***...***|` marker pattern in its `fixJsFunction()`…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (4.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Robosoft Robo Gallery – Photo & Image Slider — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/d8693b7d-693f-450a-89ef-e936a…
- plugins.trac.wordpress.org/browser/robo-gallery/trunk/includes/frontend/modules…
- plugins.trac.wordpress.org/browser/robo-gallery/tags/5.1.3/includes/frontend/mo…
- plugins.trac.wordpress.org/browser/robo-gallery/trunk/includes/frontend/modules…
- plugins.trac.wordpress.org/browser/robo-gallery/tags/5.1.3/includes/frontend/mo…
- plugins.trac.wordpress.org/browser/robo-gallery/trunk/includes/frontend/modules…
- plugins.trac.wordpress.org/browser/robo-gallery/tags/5.1.3/includes/frontend/mo…
- plugins.trac.wordpress.org/browser/robo-gallery/trunk/includes/frontend/modules…
- plugins.trac.wordpress.org/browser/robo-gallery/tags/5.1.3/includes/frontend/mo…
- plugins.trac.wordpress.org/browser/robo-gallery/trunk/includes/frontend/modules…
Frequently asked questions
- What is CVE-2026-4300?
- CVE-2026-4300 is a medium-severity vulnerability in Robosoft Robo Gallery – Photo & Image Slider, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-08.
- How severe is CVE-2026-4300?
- Medium severity. CVSS v3 base score is 6.4 out of 10.