Profile Builder < 3.16.4 - Unauthenticated Account Takeover via Auto-Login After Registration
Priority LOW 37CWE-269Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Privilege escalation
- 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-269.
Summary
The User Profile Builder WordPress plugin before 3.16.4 does not correctly bind the automatic login performed after user registration to the newly created account, allowing unauthenticated attackers to obtain an authenticated session for an arbitrary existing user, including administrators, on sites using a supported but non-default configuration.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00383 32nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed User Profile Builder (Unknown): 3.16.4
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | User Profile Builder | before 3.16.4 | 3.16.4 | Patch available | CNA |
- User Profile Builder VendorUnknown Affected before 3.16.4 Fixed in 3.16.4 Patch available CNA
Remediation
- Fix · CNA User Profile Builder (Unknown) Fixed in 3.16.4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-15368
- 2026-10-03 Alias added: GHSA-p782-jwj4-rqqc
References
Sources
- CVE-2026-15368 · CVE Program
- CVE-2026-15368 · NVD
- FIRST EPSS
- GHSA-p782-jwj4-rqqc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences