How severe is GHSA-q3x8-6898-23g3?

No CVSS score has been assigned to GHSA-q3x8-6898-23g3 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by GHSA-q3x8-6898-23g3?

GHSA-q3x8-6898-23g3 affects the following packages: ibexa/user (Packagist). Ecosystems affected: Packagist.

How do I fix GHSA-q3x8-6898-23g3?

Update ibexa/user to 5.0.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-q3x8-6898-23g3 is resolved across your whole dependency graph.

How do I detect GHSA-q3x8-6898-23g3 in my Packagist dependencies?

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

How do I mitigate GHSA-q3x8-6898-23g3 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-q3x8-6898-23g3 actively exploited in the wild?

No public exploit code has been indexed for GHSA-q3x8-6898-23g3 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-q3x8-6898-23g3 published, and has it been updated?

GHSA-q3x8-6898-23g3 was published on October 17, 2025 and was last updated on October 17, 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

ibexa/user login enumerates user accountsGHSA-q3x8-6898-23g3

GHSA-q3x8-6898-23g3 is a security vulnerability in ibexa/user. A fix is available for ibexa/user — see the affected versions and patch details below.

Published

Oct 17, 2025

Updated

Oct 17, 2025

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Oct 17, 2025 · OSV.dev, FIRST.org (EPSS)

Real-World Exposure

1 pkg affected

🐘ibexa/user

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

Impact

In v5, error messages could provide enough information to tell whether a user exists or not. This is resolved by ensuring the error messages are sufficiently ambigious.

Patches

See "Patched versions".

Workarounds

None.

Resources

https://developers.ibexa.co/security-advisories/ibexa-sa-2025-004-xss-and-enumeration-vulnerabilities-in-back-office

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`ibexa/user`	≥ 5.0.0&&< 5.0.3	5.0.3`composer require ibexa/user:^5.0.3`

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for ibexa/user, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update ibexa/user to 5.0.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-q3x8-6898-23g3 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

### Impact In v5, error messages could provide enough information to tell whether a user exists or not. This is resolved by ensuring the error messages are sufficiently ambigious. ### Patches See "Patched versions". ### Workarounds None. ### Resources https://developers.ibexa.co/security-advisories/ibexa-sa-2025-004-xss-and-enumeration-vulnerabilities-in-back-office

O3 Security · Impact-Aware SCA

Is GHSA-q3x8-6898-23g3 in your dependencies?

Find it across Packagist, including transitive dependencies.

Scan my dependencies How O3 SCA works

ibexa/user login enumerates user accountsGHSA-q3x8-6898-23g3

Real-World Exposure

Description

Impact

Patches

Workarounds

Resources

Affected Packages

Detection & mitigation playbook

Detect

Fix

Workarounds

Frequently Asked Questions

Is GHSA-q3x8-6898-23g3 in your dependencies?