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GHSA-w8fq-xgvh-cxc2

MEDIUM

GHSA-w8fq-xgvh-cxc2 is a medium-severity (CVSS 5.3) vulnerability in silverstripe/forum. O3 Security confirms whether GHSA-w8fq-xgvh-cxc2 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

Silverstripe Forum Module CSRF Vulnerability

Published
May 23, 2024
Updated
Nov 28, 2024
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed

Blast Radius

2 pkgs affected
🐘silverstripe/forum🐘silverstripe/forum

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

A number of form actions in the Forum module are directly accessible. A malicious user (e.g. spammer) can use GET requests to create Members and post to forums, bypassing CSRF and anti-spam measures.

Additionally, a forum moderator could be tricked into clicking a specially crafted URL, resulting in a topic being moved.

Thanks to Michael Strong for discovering.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistsilverstripe/forumall versions0.6.2
🐘Packagistsilverstripe/forum0.7.0&&< 0.7.40.7.4

Detection & mitigation playbook

Open-source dependency
  1. Detect

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

  2. Fix

    Update silverstripe/forum to 0.6.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-w8fq-xgvh-cxc2 is resolved across your whole dependency graph.

  3. 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.

  4. How O3 protects you

    O3 pinpoints whether GHSA-w8fq-xgvh-cxc2 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-w8fq-xgvh-cxc2. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

A number of form actions in the Forum module are directly accessible. A malicious user (e.g. spammer) can use GET requests to create Members and post to forums, bypassing CSRF and anti-spam measures. Additionally, a forum moderator could be tricked into clicking a specially crafted URL, resulting in a topic being moved. Thanks to Michael Strong for discovering.
O3 Security · Impact-Aware SCA

Is GHSA-w8fq-xgvh-cxc2 in your dependencies?

O3 detects GHSA-w8fq-xgvh-cxc2 across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.