Vulnerability · Published Jul 31, 2026 · Assigned by WPScan
CVE-2026-14921Ultimate Addons for WPBakery Page Builder < 3.21.5 - Contributor+ Stored XSS via ult_buttons Shortcode
Medium 6.1
In plain English
A medium-severity cross-site scripting in Ultimate Addons for WPBakery Page Builder from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.3%top 83.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Ultimate Addons for WPBakery Page Builder | 0 – before 3.21.5 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
References
- https://wpscan.com/vulnerability/4bebd9ff-87b6-45ca-9b3e-9e6048693ca6/ exploit, vdb-entry, technical-description