CVE-2026-124253 WordPress Calculated Fields Form plugin <= 5.5.2.8 - Cross Site Scripting (XSS) vulnerability
Attackers can execute DOM-based scripts in visitors' browsers on WordPress sites using the Calculated Fields Form plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-124253?
CVE-2026-124253 is a high-severity cross-site scripting vulnerability in codepeople Calculated Fields Form, published on 11 Nov 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in codepeople Calculated Fields Form calculated-fields-form allows DOM-Based XSS.This issue affects Calculated Fields Form: from n/a through 5.5.2.8.
Weakness: CWE-79
Which versions are affected by CVE-2026-124253?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-124253?
No fix has been published for CVE-2026-124253 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-2026-124253 being exploited?
There is no known exploitation of CVE-2026-124253 in the wild and no public exploit code.
Sources
Also known as GHSA-w7h6-mc97-392g.