CVE-2026-3528 Calculation Fields - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026-023
An attacker can inject malicious scripts into web pages via the Calculation Fields module, potentially compromising user sessions or data.
- 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
- Fix
- Available
What is CVE-2026-3528?
CVE-2026-3528 is a medium-severity cross-site scripting vulnerability in Drupal Calculation Fields, published on 26 Mar 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 Drupal Calculation Fields allows Cross-Site Scripting (XSS).This issue affects Calculation Fields: from 0.0.0 before 1.0.4.
Weakness: CWE-79
Which versions are affected by CVE-2026-3528?
It affects 1 product.
Linux distribution packages (1)
drupal/calculation_fields Packagist:https://packages.drupal.org/8 | All versions | 1.0.4 |
Products include Joaopaulocdev Calculation Fields.
How do I fix CVE-2026-3528?
Upgrade to a fixed version.
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-2026-3528 being exploited?
There is no known exploitation of CVE-2026-3528 in the wild and no public exploit code.
Sources
Also known as DRUPAL-CONTRIB-2026-023, GHSA-vg2j-h3cg-mm73.