XSS in Contrid Slideshow Gallery Lite
CVE-2026-2021
The Slideshow Gallery LITE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'alwaysauto' shortcode attribute in all versions up to, and including, 1.8.5. This is due to insufficient input sanitization and output es…
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
- Contrid Slideshow Gallery Lite — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-2021?
- CVE-2026-2021 is a medium-severity vulnerability in Contrid Slideshow Gallery Lite, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-06-18.
- How severe is CVE-2026-2021?
- Medium severity. CVSS v3 base score is 6.4 out of 10.