CVE-2026-107748 json
User Profile Builder <= 4.0.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'display_name' Parameter
published 24d ago modified 24d ago also EUVD-2026-102661
- cvss
- 6.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
The User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'display_name' parameter in all versions up to, and including, 4.0.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload persists in wp_comments.comment_author independently of the user account, so removing or changing the attacker's display name after the comment is posted does not neutralize the stored script.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 24d ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
Affected products
- cozmoslabs User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/2f466add-992b-46c7-a1cc-5c05d59f4bdf?source=cve
- plugins.trac.wordpress.org /browser/profile-builder/tags/4.0.3/features/functions.php#L582
- plugins.trac.wordpress.org /browser/profile-builder/tags/4.0.3/features/functions.php#L585
- plugins.trac.wordpress.org /browser/profile-builder/tags/4.0.3/features/functions.php#L593
- plugins.trac.wordpress.org /browser/profile-builder/tags/4.0.3/front-end/default-fields/display-name/display-name.php#L81
- plugins.trac.wordpress.org /changeset/3741133/profile-builder
- plugins.trac.wordpress.org /changeset/3741133/profile-builder/trunk/features/functions.php
Sources
- CVE List CVE-2026-107748
- NVD CVE-2026-107748
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.