CVE-2026-55805CWE-79cross-site-scripting

CVE-2026-55805

Medium · published August 26, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
12.6
In the wild
Unconfirmed
What it is

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Stored XSS. This issue affects Drupal core versions: from 0.0.0 to 10.6.13, from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*, from 0.0.0 to 11.2.*.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00226 · 12.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-26T03:17Z
References (1)
https://www.drupal.org/sa-core-2026-012 · [email protected]
EPSS history
Timeline
  • 27 AUG 06:36Z
    EPSS moved — → 0%
    epss
  • 25 AUG 22:22Z
    Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-012
    cvelistv5