CVE-2026-84915
mediumpriority · track · 0EPSS 0.002 · 10 %ileDEUSEPSS · scored 2026-10-27
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Component blocks allows Stored XSS. This issue affects Component blocks versions: from 0.0.0 to 1.2.7.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (15)
Products and version ranges known to be affected.
- Packagist:https://packages.drupal.org/8 drupal/component_blocks< 1.2.7osvUSpkg:composer/drupal/component_blocks?repository_url=https:%2F%2Fpackages.drupal.org%2F8
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-3168Drupal Erweiterungen: Mehrere SchwachstellenDeutsch2026-09-02csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in verschiedenen Drupal Erweiterungen ausnutzen, um Zugriffsbeschränkungen zu umgehen, geschützte oder sensible Inhalte offenzulegen, Benutzerkonten zu übernehmen, unberechtigte Änderungen oder Löschungen vorzunehmen, Zahlungsstatus zu manipulieren sowie Cross-Site-Scripting-Angriffe auszuführen.
- DRUPAL-CONTRIB-2026-1232026-09-02vendor · osvUS
This module enables you use UI Patterns with blocks, for use in Layout Builder. The module doesn't sufficiently validate user input before passing to token replacement. This vulnerability is mitigated by the fact that an attacker must have a role with the ability to edit layout builder layouts.
sources
Which sources assert this record, and when.
references (1) nvd
External citations — patches, advisories, analysis.
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