CVE-2026-14921

Ultimate Addons for WPBakery Page Builder < 3.21.5 - Contributor+ Stored XSS via ult_buttons Shortcode

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

Ultimate Addons for WPBakery Page Builder

CVSS v3.1 CNA

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.25% chance of exploitation in the next 30 days, 16th percentile

Published

2026-07-31

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/4bebd9ff-87b6-45ca-9b3e-9e6048693ca6/

References

• CVE Record
• NVD entry