GHSA-vgwr-23fq-pr7g
Fix: xwiki/xwiki-platform@9f747fcGHSA-vgwr-23fq-pr7g is a CWE-24 vulnerability in org.xwiki.platform:xwiki-platform-webjars-api. O3 Security confirms whether GHSA-vgwr-23fq-pr7g is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
XWiki Platform vulnerable to potential arbitrary file writing using path traversal from (subwiki) admin
Exploitation Status
Proof-of-concept exploit code exists
- CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.
Exploitation and automatability from CISA’s SSVC triage for GHSA-vgwr-23fq-pr7g.
EPSS Exploitation Probability
EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.
Real-World Exposure
org.xwiki.platform:xwiki-platform-webjars-api☕org.xwiki.platform:xwiki-platform-webjars-api☕org.xwiki.platform:xwiki-platform-webjars-apiReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
Impact
A potential path traversal vulnerability allow an attacker who manages to get a malicious WebJar extension installed on the wiki to write arbitrary files. While the consequences could be severe like overriding configuration files and setting the superadmin password, the attack first requires that the attacker already has admin access to at least a subwiki to be able to install a malicious extension. Further, the attacker needs to publish a malicious extension in an extension repository that is configured in the instance.
Patches
This vulnerability has been patched in XWiki 16.10.17, 17.4.9, 17.10.3, and 18.0.0RC1.
Workarounds
XWiki is not aware of any workarounds except for being careful whom developers grant script and admin rights to.
Resources
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | org.xwiki.platform:xwiki-platform-webjars-api | ≥ 9.6-rc-1&&< 16.10.17 | 16.10.17 |
| ☕Maven | org.xwiki.platform:xwiki-platform-webjars-api | ≥ 17.0.0-rc-1&&< 17.4.9 | 17.4.9 |
| ☕Maven | org.xwiki.platform:xwiki-platform-webjars-api | ≥ 17.5.0-rc-1&&< 17.10.3 | 17.10.3 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.xwiki.platform:xwiki-platform-webjars-api. 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 org.xwiki.platform:xwiki-platform-webjars-api to 16.10.17 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-vgwr-23fq-pr7g 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-vgwr-23fq-pr7g 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-vgwr-23fq-pr7g. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is GHSA-vgwr-23fq-pr7g in your dependencies?
O3 detects GHSA-vgwr-23fq-pr7g across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.