XSS in Gallerycreator Simply Gallery
CVE-2026-5743
The SimpLy Gallery Block & Lightbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via block attributes in all versions up to, and including, 3.3.3.2. This is due to insufficient input sanitization and output escaping on…
Vulnerability class: XSS (Cross-Site Scripting)
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
- Gallerycreator Simply Gallery — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-5743?
- CVE-2026-5743 is a medium-severity vulnerability in Gallerycreator Simply Gallery, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-11.
- How severe is CVE-2026-5743?
- Medium severity. CVSS v3 base score is 6.4 out of 10.