CVE-2026-108515: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal D

Routine

HIGH n/a

CVE-2026-108515 is a high-severity flaw (CVSS n/a) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 8.9.0 to 10.6.19, from 11.0.0 to 11.3.19, from 11.4.0 to 11.4.10, from 12.0.0-alpha1 to 12.0.0-beta2.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	n/a (High)
EPSS exploit chance	n/a
CISA exploited list	No
Weakness	CWE-79
Published	2026-10-30
Last modified	2026-10-30

Publisher (CNA): Drupal.org

Last updated 2026-10-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-10-30 04:18 UTCPublished CVE record published
2026-10-30 04:18 UTCUpdated Record last modified

Advisories and coverage

Official advisories

Drupal Security: Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-015 2026-10-14

Research and news

VulDB Recent Entries: CVE-2026-108515 | Drupal up to 10.6.18/11.3.18/11.4.9/12.0.0-beta1 Core cross site scripting 2026-10-30

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-108515?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-108515 being exploited?

CVE-2026-108515 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-108515 affect?

CVE-2026-108515 affects affected software. Severity is high (CVSS n/a). 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 8.9.0 to 10.6.19, from 11.0.0 to 11.3.

How urgent is CVE-2026-108515?

Priority 0/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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