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VulnerabilityPublished

CVE-2026-14921: Ultimate Addons for WPBakery Page Builder (WordPress plugin) · Cross-Site Scripting (XSS)

Affects Ultimate Addons for WPBakery Page Builder (WordPress plugin)Source CVE Database V5

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Not known to be exploited · CVSS 6.1 Medium : upgrade to 3.21.5 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 16% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 3.21.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 31 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade Ultimate Addons for WPBakery Page Builder (WordPress plugin) to 3.21.5.

Affected software

ProductAffectedFixed in
Ultimate Addons for WPBakery Page BuilderAffected
  • <3.21.5
Fixed in
  • 3.21.5

AI-suggested

No specific temporary mitigations or workarounds are provided in the available data.

Description

CVE-2026-14921 is a medium severity Cross-Site Scripting (XSS) vulnerability in the Ultimate Addons for WPBakery Page Builder WordPress plugin. It affects versions before 3.21.5 in the shared link-rendering function Ultimate_VC_Addons::uavc_link_init(). This vulnerability allows an attacker to inject malicious scripts that can execute in the context of the affected site.

References

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