CVE-2026-55808

EUVD-2026-43085
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 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 19.18%
Affected Products (NVD)
VendorProductVersion
drupaldrupal
𝑥
< 10.5.12
drupaldrupal
10.6.0 ≤
𝑥
< 10.6.11
drupaldrupal
11.0.0 ≤
𝑥
< 11.2.14
drupaldrupal
11.3.0 ≤
𝑥
< 11.3.12
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.drupal.org/sa-core-2026-009