Medium severity · published Aug 29, 2026
CVE-2026-76546
Profile Builder < 4.0.1 - Contributor+ Stored XSS via Format Date Shortcode
6.8
CVSS
0.4%
EPSS
No
On KEV
Description
The User Profile Builder WordPress plugin before 4.0.1 does not escape the output of one of its optional shortcodes, allowing users with a role as low as contributor to perform Stored Cross-Site Scripting attacks against any user viewing the affected content, including administrators. The shortcode is not enabled by default.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UP
User Profile Builder ·
3.3.4 before 4.0.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76546
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76546
wpscan.com
https://wpscan.com/vulnerability/2c67d682-3e11-4fcd-9aae-ab7895d5da67/
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