CVE-2026-76546

MEDIUMCVSS 6.8/10EPSS 0.24%

Last modified

CVE-2026-76546 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.24%

14.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownUser Profile Builder>= 3.3.4, < 4.0.1

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-76546?
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.
How severe is CVE-2026-76546?
CVE-2026-76546 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2026-76546?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST