High severity · published Aug 29, 2026
CVE-2026-76548
Profile Builder < 4.0.1 - Unauthenticated Unpublished Content and Media Modification via Front-End Upload Auth Bypass
8.2
CVSS
0.3%
EPSS
No
On KEV
Description
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 This allows them to list the site's media library and to modify unpublished posts, pages and media items belonging to other users.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UP
User Profile Builder ·
3.8.1 before 4.0.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76548
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76548
wpscan.com
https://wpscan.com/vulnerability/75e0611d-e11d-44f8-8fc1-7c40bb113f64/
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