Profile Builder <= 3.4.8 — Admin Access via Password Reset
CVE-2021-24527Published · Updated Action summary
Affected: <3.4.9Update to 3.4.9 or newer
All remediation steps- Severity
- Critical9.8
- CVSS
- 9.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Weakness
- CWE-287 Improper Authentication
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor profile-builder
- Affected< 3.4.9
- Patched in3.4.9
Update to 3.4.9 or newer.
You are affected if you run < 3.4.9. Version 3.4.9 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 3.4.9, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Stiofan.
The User Registration & User Profile – Profile Builder WordPress plugin before 3.4.9 has a bug allowing any user to reset the password of the admin of the blog, and gain unauthorised access, due to a bypass in the way the reset key is checked. Furthermore, the admin will not be notified of such change by email for example.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor
All 59| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Unauthenticated Information Exposure ≤4.0.6Update to 4.0.7 | CVE-2026-125777 | |
| Medium6.3 | Authenticated (Contributor+) Privilege Escalation ≤4.0.5Update to 4.0.6 | CVE-2026-54854 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤4.0.5Update to 4.0.6 | CVE-2026-54855 | |
| Medium5.3 | Missing Authorization ≤4.0.5Update to 4.0.6 | CVE-2026-54853 | |
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting <4.0.5Update to 4.0.5 | CVE-2026-111966 |
- Medium5.3Unauthenticated Information Exposure
≤4.0.6Update to 4.0.7
- Medium6.3Authenticated (Contributor+) Privilege Escalation
≤4.0.5Update to 4.0.6
- High7.2Unauthenticated Stored Cross-Site Scripting
≤4.0.5Update to 4.0.6
- Medium5.3Missing Authorization
≤4.0.5Update to 4.0.6
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
<4.0.5Update to 4.0.5
Timeline
CVE published
Severity critical, CVSS 9.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.