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

Weakness classification (CWE)

References

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.