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TI-2026-79569 Aliases CVE-2026-111966GHSA-9mx2-qxwc-rp6q

Stored cross-site scripting in User Profile Builder plugin

Priority LOW 32CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

The User Profile Builder WordPress plugin before 4.0.5 is affected. It does not sanitise or escape a shortcode attribute before outputting it in a redirect message, which is a stored cross-site scripting flaw (CWE-79). An attacker with a contributor role or higher can store script that runs against higher-privileged users who submit the affected form. The references include a link to an exploit.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

The User Profile Builder WordPress plugin before 4.0.5 does not sanitise and escape one of its shortcode attributes before outputting it back in a redirect message, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks against higher-privileged users who submit the affected form.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00306 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed User Profile Builder (Unknown): 4.0.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownUser Profile Builderbefore 4.0.54.0.5Patch availableCNA
  • User Profile Builder VendorUnknown Affected before 4.0.5 Fixed in 4.0.5 Patch available CNA

Remediation

Update User Profile Builder to version 4.0.5, the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA User Profile Builder (Unknown) Fixed in 4.0.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    User Profile Builder 4.0.5

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-79570 Account takeover in User Profile Builder through email changePriority LOW 34
    Show all 2 records →

Timeline

  1. 2026-10-23 Threatist record created from CVE-2026-111966
  2. 2026-10-23 Alias added: GHSA-9mx2-qxwc-rp6q
  3. 2026-10-23 CVSS score added · CISA ADP
  4. 2026-10-23 Weakness changed · CISA ADP
  5. 2026-10-23 CISA SSVC decision points changed

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences