GHSA-53vf-c43h-j2x9 — craftcms/cms
Fix: craftcms/cms@4bcb0dbGHSA-53vf-c43h-j2x9 is a Information Exposure vulnerability in craftcms/cms. A fix is available for craftcms/cms — see the affected versions and patch details below.
Craft CMS vulnerable to potential information disclosure via unchecked asset relocation
Exploitation Status
No confirmed exploitation observed yet
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for GHSA-53vf-c43h-j2x9.
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Real-World Exposure
craftcms/cms🐘craftcms/cmsReal-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
Authenticated users on a Craft installation could potentially expose sensitive assets via their user profile photo via maliciously crafted requests.
Users should update to the patched versions (5.8.21 and 4.16.17) to mitigate the issue.
Resources:
https://github.com/craftcms/cms/commit/4bcb0db554e273b66ce3b75263a13414c2368fc9
https://github.com/craftcms/cms/commit/4bcb0db554e273b66ce3b75263a13414c2368fc9
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | craftcms/cms | ≥ 5.0.0-RC1&&< 5.8.21 | 5.8.21composer require craftcms/cms:^5.8.21 |
| 🐘Packagist | craftcms/cms | ≥ 4.0.0-RC1&&< 4.16.17 | 4.16.17composer require craftcms/cms:^4.16.17 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for craftcms/cms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update craftcms/cms to 5.8.21 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-53vf-c43h-j2x9 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 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-53vf-c43h-j2x9 can be triaged on real exposure rather than presence alone.
Tailored to GHSA-53vf-c43h-j2x9. 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-53vf-c43h-j2x9 in your dependencies?
O3 Security finds GHSA-53vf-c43h-j2x9 across Packagist dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.