---
id: CVE-2026-100524
title: >-
  Cotonti through 1.0.0 contains a cross-site request forgery vulnerability in
  the extensions manager that allows attackers to perform state-changing actions
  without anti-CSRF token validation
summary: >-
  Cotonti through 1.0.0 contains a cross-site request forgery vulnerability in
  the extensions manager that allows attackers to perform state-changing actions
  without anti-CSRF token validation. Attackers can craft links or embed images
  to …
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L'
cwe:
  - CWE-352
vendor: Cotonti
product: Cotonti
affected:
  - Cotonti <= 1.0.0
published: '2026-09-26'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T01:17:01.167'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-100524'
references:
  - url: 'https://github.com/Cotonti/Cotonti'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/Cotonti/Cotonti/blob/1.0.0/system/admin/admin.extensions.php
    label: disclosure@vulncheck.com
  - url: 'https://github.com/Cotonti/Cotonti/issues/1907'
    label: disclosure@vulncheck.com
  - url: 'https://github.com/Cotonti/Cotonti/pull/1908'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/cotonti-through-1.0.0-cross-site-request-forgery-via-extensions-manager
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-26T01:24:36.887Z'
---

## Overview

Cotonti through 1.0.0 contains a cross-site request forgery vulnerability in the extensions manager that allows attackers to perform state-changing actions without anti-CSRF token validation. Attackers can craft links or embed images to force administrators to install, update, pause, or unpause extensions by tricking them into visiting a malicious page while authenticated.

## Remediation

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