How severe is GHSA-mg4c-884j-pcq9?

No CVSS score has been assigned to GHSA-mg4c-884j-pcq9 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-mg4c-884j-pcq9?

GHSA-mg4c-884j-pcq9 affects the following packages: leantime/leantime (Packagist). Ecosystems affected: Packagist.

How do I fix GHSA-mg4c-884j-pcq9?

Update leantime/leantime to 3.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-mg4c-884j-pcq9 is resolved across your whole dependency graph.

How do I detect GHSA-mg4c-884j-pcq9 in my Packagist dependencies?

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

How do I mitigate GHSA-mg4c-884j-pcq9 if there is no patch (or I can't update yet)?

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.

Is GHSA-mg4c-884j-pcq9 actively exploited in the wild?

No public exploit code has been indexed for GHSA-mg4c-884j-pcq9 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

When was GHSA-mg4c-884j-pcq9 published, and has it been updated?

GHSA-mg4c-884j-pcq9 was published on February 21, 2025 and was last updated on February 21, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘 Packagist

Not in CISA KEV

Leantime allows Stored Cross-Site Scripting (XSS)GHSA-mg4c-884j-pcq9

Fix: Leantime/leantime@d8b1099

GHSA-mg4c-884j-pcq9 is a security vulnerability in leantime/leantime. A fix is available for leantime/leantime — see the affected versions and patch details below.

Published

Feb 21, 2025

Updated

Feb 21, 2025

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Feb 21, 2025 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

🐘leantime/leantime

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

STORED XSS +OPEN REDIRECTION in SVG uploads Vulnerable url:https://hack.leantime.io/projects/showProject/3

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`leantime/leantime`	all versions	3.3`composer require leantime/leantime:^3.3`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for leantime/leantime, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update leantime/leantime to 3.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-mg4c-884j-pcq9 is resolved across your whole dependency graph.
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

STORED XSS +OPEN REDIRECTION in SVG uploads Vulnerable url:https://hack.leantime.io/projects/showProject/3

O3 Security · Impact-Aware SCA

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