CVE-2026-15917mediumCWE-79

Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-011

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.7epss 0.1%

exploitation probability

0.1%top 97% of all CVEs

observed exploitation

nono source reports it

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core versions: from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.2.*.

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Drupal · Drupal core

References

https://www.drupal.org/sa-core-2026-011