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(),
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
6.1
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(),
- Record
CVE-2026-14921- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-51418
6.1
The Ultimate Addons for WPBakery Page Builder WordPress plugin before 3.21.5's shared link-rendering function, Ultimate_VC_Addons::uavc_link_init(),
- Record
EUVD-2026-51418- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5rjg-8878-gjp3
6.1
The Ultimate Addons for WPBakery Page Builder WordPress plugin before 3.21.5's shared link...
The Ultimate Addons for WPBakery Page Builder WordPress plugin before 3.21.5's shared link-rendering function, Ultimate_VC_Addons::uavc_link_init(),
- Record
GHSA-5rjg-8878-gjp3- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
6.1
The Ultimate Addons for WPBakery Page Builder WordPress plugin before 3.21.5's shared link-rendering function, Ultimate_VC_Addons::uavc_link_init(),
- Record
CVE-2026-14921- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-14921 is a medium vulnerability (CVSS 6.1) in Brainstorm Force Ultimate Addons For Wpbakery Page Builder, published July 31, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.