CVE-2026-76546 Profile Builder < 4.0.1 - Contributor+ Stored XSS via Format Date Shortcode
Contributors can inject malicious scripts via an optional shortcode, potentially compromising administrator accounts in User Profile Builder.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-76546?
CVE-2026-76546 is a medium-severity cross-site scripting vulnerability in Unknown User Profile Builder, published on 29 Aug 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-76546?
How do I fix CVE-2026-76546?
No fix has been published for CVE-2026-76546 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-76546 being exploited?
There is no known exploitation of CVE-2026-76546 in the wild and no public exploit code.
Sources
Also known as GHSA-ff29-gmhf-78ff.