Profile Builder < 4.0.1 - Unauthenticated Unpublished Content and Media Modification via Front-End Upload Auth Bypass
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.
Summary
The User Profile Builder WordPress plugin before 4.0.1 does not properly restrict its front-end file upload feature, granting unauthenticated visitors capabilities reserved to privileged roles. This allows them to list the site's media library and to modify unpublished posts, pages and media items belonging to other users.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
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 | 3.8.1 to before 4.0.1 | 4.0.1 | Patch available | CNA |
- User Profile Builder VendorUnknown Affected 3.8.1 to before 4.0.1 Fixed in 4.0.1 Patch available CNA
Remediation
- Fix · CNA User Profile Builder (Unknown) Fixed in 4.0.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
User Profile Builder 4.0.1
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2026-53492 Profile Builder < 4.0.1 - Admin+ PHP Object Injection via Import/ExportPriority LOW 31
- TI-2026-53491 Profile Builder < 4.0.1 - Contributor+ Stored XSS via Format Date ShortcodePriority LOW 30
Timeline
- 2026-10-02 Threatist record created from CVE-2026-76548
- 2026-10-03 Alias added: GHSA-mpcm-vcpj-wm9p
References
Sources
- CVE-2026-76548 · CVE Program
- CVE-2026-76548 · NVD
- FIRST EPSS
- GHSA-mpcm-vcpj-wm9p · 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