CVE-2026-15917CWE-79cross-site-scripting

CVE-2026-15917

Medium · published August 26, 2026

CVSS v3.1
4.7
EPSS
0%
Percentile
2.3
In the wild
Unconfirmed
What it is

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.*.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00129 · 2.3th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-26T03:16Z
References (1)
https://www.drupal.org/sa-core-2026-011 · [email protected]
EPSS history
Timeline
  • 27 AUG 06:19Z
    EPSS moved — → 0%
    epss
  • 25 AUG 22:22Z
    Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-011
    cvelistv5