---
id: CVE-2026-87939
title: Feed Block - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-137
summary: >-
  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.
severity: none
cwe:
  - CWE-79
vendor: Drupal
product: Feed Block
affected:
  - feed_block >= 0.0.0 < 2.0.2
  - feed_block >= 3.0.0 < 3.0.2
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T01:22:02.857Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-87939'
references:
  - url: 'https://www.drupal.org/sa-contrib-2026-137'
tags:
  - cve.org
ingestedAt: '2026-10-22T02:23:25.195Z'
---

## Overview

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.

## Affected

- `feed_block >= 0.0.0 < 2.0.2`
- `feed_block >= 3.0.0 < 3.0.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.