Drupal core - Moderately critical - Improper validation - SA-CORE-2026-009

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Summary

CVECVE-2026-55808
StatePUBLISHED
Assignerdrupal
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-10 22:16:43 UTC
Updated2026-07-10 22:16:43 UTC
DescriptionImproper 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.*.

Risk And Classification

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting")

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Drupal Drupal Core affected 0.0.0 10.5.12 semver Not specified
CNA Drupal Drupal Core affected 10.6.0 10.6.11 semver Not specified
CNA Drupal Drupal Core affected 11.2.0 11.2.14 semver Not specified
CNA Drupal Drupal Core affected 11.3.0 11.3.12 semver Not specified
CNA Drupal Drupal Core affected 0.0.0 11.0.* semver Not specified
CNA Drupal Drupal Core affected 0.0.0 11.1.* semver Not specified

References

ReferenceSourceLinkTags
www.drupal.org/sa-core-2026-009 [email protected] www.drupal.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: cantina_security (en)

CNA: Björn Brala (bbrala) (en)

CNA: Kim Pepper (kim.pepper) (en)

CNA: Lee Rowlands (larowlan) (en)

CNA: Damien McKenna (damienmckenna) (en)

CNA: Greg Knaddison (greggles) (en)

CNA: Lee Rowlands (larowlan) (en)

CNA: Dave Long (longwave) (en)

CNA: Juraj Nemec (poker10) (en)

CNA: Jess (xjm) (en)

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