GHSA-xwhj-pqcg-8rcr
CakePHP vulnerable to Cross-site Scripting in some development error pages
Blast Radius
cakephp/cakephp🐘cakephp/cakephp🐘cakephp/cakephpReal-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
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | cakephp/cakephp | ≥ 3.4.0&&< 3.4.14 | 3.4.14 |
| 🐘Packagist | cakephp/cakephp | ≥ 3.5.0&&< 3.5.17 | 3.5.17 |
| 🐘Packagist | cakephp/cakephp | ≥ 3.6.0&&< 3.6.4 | 3.6.4 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for cakephp/cakephp. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
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.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether GHSA-xwhj-pqcg-8rcr is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to GHSA-xwhj-pqcg-8rcr. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-xwhj-pqcg-8rcr in your dependencies?
O3 detects GHSA-xwhj-pqcg-8rcr across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.