How severe is GHSA-xmjh-wjc5-wg4h?

GHSA-xmjh-wjc5-wg4h has a CVSS score of 6.1/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by GHSA-xmjh-wjc5-wg4h?

GHSA-xmjh-wjc5-wg4h affects the following packages: silverstripe/cms (Packagist), silverstripe/cms (Packagist). Ecosystems affected: Packagist.

How do I fix GHSA-xmjh-wjc5-wg4h?

Update silverstripe/cms to 3.4.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-xmjh-wjc5-wg4h is resolved across your whole dependency graph.

How do I detect GHSA-xmjh-wjc5-wg4h in my Packagist dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for silverstripe/cms. 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.

How do I mitigate GHSA-xmjh-wjc5-wg4h if there is no patch (or I can't update yet)?

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 does O3 Security protect against GHSA-xmjh-wjc5-wg4h?

O3 pinpoints whether GHSA-xmjh-wjc5-wg4h is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Is GHSA-xmjh-wjc5-wg4h actively exploited in the wild?

No public exploit code has been indexed for GHSA-xmjh-wjc5-wg4h 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.

What type of vulnerability is GHSA-xmjh-wjc5-wg4h?

GHSA-xmjh-wjc5-wg4h is classified as Cross-site Scripting (XSS) (CWE-79). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was GHSA-xmjh-wjc5-wg4h published, and has it been updated?

GHSA-xmjh-wjc5-wg4h was published on May 14, 2022 and was last updated on February 16, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘 Packagist

GHSA-xmjh-wjc5-wg4h

MEDIUM

GHSA-xmjh-wjc5-wg4h is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in silverstripe/cms. O3 Security confirms whether GHSA-xmjh-wjc5-wg4h is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Silverstripe CMS XSS Vulnerability

Also known asCVE-2017-5197

Published

May 14, 2022

Updated

Feb 16, 2024

Affected

2 pkgs

Patched

2 / 2

Exploits

None indexed

Blast Radius

2 pkgs affected

🐘silverstripe/cms🐘silverstripe/cms

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

There is XSS in SilverStripe CMS before 3.4.4 and 3.5.x before 3.5.2. The attack vector is a page name. An example payload is a crafted JavaScript event handler within a malformed SVG element.

Affected Packages

2 total 2 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`silverstripe/cms`	all versions	3.4.4
🐘Packagist	`silverstripe/cms`	≥ 3.5.0&&< 3.5.2	3.5.2

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for silverstripe/cms. 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 silverstripe/cms to 3.4.4 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-xmjh-wjc5-wg4h 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-xmjh-wjc5-wg4h 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-xmjh-wjc5-wg4h. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

There is XSS in SilverStripe CMS before 3.4.4 and 3.5.x before 3.5.2. The attack vector is a page name. An example payload is a crafted JavaScript event handler within a malformed SVG element.

O3 Security · Impact-Aware SCA

Is GHSA-xmjh-wjc5-wg4h in your dependencies?

O3 detects GHSA-xmjh-wjc5-wg4h across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my dependencies How O3 SCA works