What’s Vulnerable › Vulnerabilities
CVE-2026-14921: Ultimate Addons for WPBakery Page Builder < 3.21.5 - Contributor+ Stored XSS via ult_buttons Shortcode
- Severity: medium (CVSS 6.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-31 · updated 2026-08-26
- Weakness: CWE-79
Description
The Ultimate Addons for WPBakery Page Builder WordPress plugin before 3.21.5's shared link-rendering function, Ultimate_VC_Addons::uavc_link_init(),
Affected products
- Ultimate Addons for WPBakery Page Builder: before 3.21.5 — fixed in 3.21.5
How to fix
Upgrade to a fixed version: Ultimate Addons for WPBakery Page Builder 3.21.5. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-14921 or the next vulnerability affects your stack