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CakePHP vulnerable to Cross-site Scripting in some development error pagesGHSA-xwhj-pqcg-8rcr

Fix: cakephp/cakephp@1ea0c87

GHSA-xwhj-pqcg-8rcr is a security vulnerability in cakephp/cakephp. A fix is available for cakephp/cakephp — see the affected versions and patch details below.

Published
Updated
Affected
3 pkgs
Patched
3 / 3
Exploits
None indexed
Exploitation data as of Nov 29, 2024 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

3 pkgs affected
🐘cakephp/cakephp🐘cakephp/cakephp🐘cakephp/cakephp

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

CakePHP 3.4 prior to 3.4.14, 3.5 prior to 3.5.17, and 3.6 prior to 3.6.4 contains a cross-site-scripting (XSS) vulnerability in the development only missing route and duplicate named route error pages.

Affected Packages

3 total 3 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistcakephp/cakephp≥ 3.4.0&&< 3.4.143.4.14composer require cakephp/cakephp:^3.4.14
🐘Packagistcakephp/cakephp≥ 3.5.0&&< 3.5.173.5.17composer require cakephp/cakephp:^3.5.17
🐘Packagistcakephp/cakephp≥ 3.6.0&&< 3.6.43.6.4composer require cakephp/cakephp:^3.6.4

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for cakephp/cakephp, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update cakephp/cakephp to 3.4.14 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-xwhj-pqcg-8rcr is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

CakePHP 3.4 prior to 3.4.14, 3.5 prior to 3.5.17, and 3.6 prior to 3.6.4 contains a cross-site-scripting (XSS) vulnerability in the development only `missing route` and `duplicate named route` error pages.
O3 Security · Impact-Aware SCA

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CakePHP vulnerable to Cross-site Scripting in some…