CVE-2026-14921CWE-79cross-site-scripting

CVE-2026-14921

Medium · published July 31, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
15.8
In the wild
Unconfirmed
What it is

The Ultimate Addons for WPBakery Page Builder WordPress plugin before 3.21.5's shared link-rendering function, Ultimate_VC_Addons::uavc_link_init(),

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00253 · 15.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-07-31T11:16Z
References (1)
https://wpscan.com/vulnerability/4bebd9ff-87b6-45ca-9b3e-9e6048693ca6/ · [email protected]
EPSS history
Timeline
  • 31 JUL 06:00Z
    Ultimate Addons for WPBakery Page Builder < 3.21.5 - Contributor+ Stored XSS via ult_buttons Shortcode
    cvelistv5