CVE-2026-87939

Feed Block - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-137

Published Oct 22, 2026 CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed
Description
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Feed Block allows Stored XSS. This issue affects Feed Block versions: from 0.0.0 to 2.0.2, from 3.0.0 to 3.0.2.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Drupal
Drupal feed Block
Vendors & Products Drupal
Drupal feed Block
Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Feed Block allows Stored XSS. This issue affects Feed Block versions: from 0.0.0 to 2.0.2, from 3.0.0 to 3.0.2.
Title Feed Block - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-137
Weaknesses CWE-79
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
drupal
Published
Updated
Oct 22, 2026, 5:27 PM
Reserved
Sep 9, 2026, 4:56 PM
Status
Awaiting Analysis
Published
Oct 22, 2026, 2:17 AM
Modified
Oct 22, 2026, 6:17 PM