Cross-site scripting in Drupal - CVE-2026-108515
Published: October 15, 2026
Vulnerability identifier: #VU155820
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-108515
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to the affected module does not sufficiently sanitize certain markup in some circumstances. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
Drupal
How to mitigate CVE-2026-108515
Install updates from vendor's website.
Drupal - addressed in versions 10.6.19, 11.3.19, 11.4.10, 12.0.0 beta2