Vulnerability DatabaseCVE-2026-87939
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CVE-2026-87939
Published:September 09, 2026
Updated:September 14, 2026
The Feed Block module provides a block content type that displays items pulled from a remote RSS/Atom feed. The module does not sufficiently validate or sanitize the RSS feed it generates, resulting in a stored cross-site scripting (XSS) vulnerability.
Affected Packages
https://git.drupalcode.org/project/feed_block.git (SCM_GIT):
Affected version(s) >=2.0.0 <2.0.2
Fix Suggestion:
Update to version 2.0.2
https://git.drupalcode.org/project/feed_block.git (SCM_GIT):
Affected version(s) >=3.0.0 <3.0.2
Fix Suggestion:
Update to version 3.0.2
Related Resources (1)
https://www.drupal.org/sa-contrib-2026-137
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CVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.4
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79