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MEDIUM severity

Cross-site Scripting (XSS) in UrlSlug Data typeGHSA-x5j3-mq9g-8jc8

MEDIUMFix: pimcore/pimcore#14669

GHSA-x5j3-mq9g-8jc8 is a medium-severity (CVSS 4.8) Cross-site Scripting (XSS) vulnerability in pimcore/pimcore. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for pimcore/pimcore — see the affected versions and patch details below.

Also known asCVE-2023-28106
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

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-x5j3-mq9g-8jc8.

EPSS Exploitation Probability

via FIRST.org ↗
0.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs53th percentile — riskier than 53% of all scored CVEsHighest risk
0.19%0.53%0.86%1.19%0.7%0.7%0.7%0.7%Jul 26Nov 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘pimcore/pimcore

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

An attacker can use XSS to send a malicious script to an unsuspecting user.

Patches

Update to version 10.5.19 or apply this patch manually https://github.com/pimcore/pimcore/pull/14669.patch

Workarounds

Apply https://github.com/pimcore/pimcore/pull/14669.patch manually.

References

https://huntr.dev/bounties/fa77d780-9b23-404b-8c44-12108881d11a

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistpimcore/pimcoreall versions10.5.19composer require pimcore/pimcore:^10.5.19

Affected Products

1 product · 1 configurations
Application
pimcorepimcore
< 10.5.19
range
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Pimcore is an open source data and experience management platform. Prior…

huntr.devNVDMar 2023

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update pimcore/pimcore to 10.5.19 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-x5j3-mq9g-8jc8 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

### Impact An attacker can use XSS to send a malicious script to an unsuspecting user. ### Patches Update to version 10.5.19 or apply this patch manually https://github.com/pimcore/pimcore/pull/14669.patch ### Workarounds Apply https://github.com/pimcore/pimcore/pull/14669.patch manually. ### References https://huntr.dev/bounties/fa77d780-9b23-404b-8c44-12108881d11a
O3 Security · Impact-Aware SCA

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Cross-site Scripting (XSS) in UrlSlug Data type