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MEDIUM severity

GHSA-9jq5-xwqw-q8j3 xwiki-platform-localizati…

MEDIUM

GHSA-9jq5-xwqw-q8j3 is a medium-severity (CVSS 4.3) CWE-248 vulnerability in org.xwiki.platform:xwiki-platform-localization-source-wiki. 2 public exploit references exist, so weaponization risk is real. A fix is available for org.xwiki.platform:xwiki-platform-localization-source-wiki — see the affected versions and patch details below.

XWiki Platform vulnerable to page render failure due to broken translations

Also known asCVE-2023-29520
Published
Apr 20, 2023
Updated
Nov 8, 2023
Affected
3 pkgs
Patched
3 / 3
Exploits
2 known
Exploitation data as of Sep 21, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

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-9jq5-xwqw-q8j3.

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs43th percentile — riskier than 43% of all scored CVEsHighest risk

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.

How urgent is this, really

GHSA-9jq5-xwqw-q8j3 plotted by exploitation likelihood (EPSS) against impact (CVSS). The shaded corner — EPSS 50%+ and CVSS 7.0+ — is where this CVE doesn't sit, though severity or exploitability alone can still warrant action.

Where this sits among everything scored

Of 377,636 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Real counts from FIRST.org, not a sample — log-scaled since the landscape is heavily right-skewed.

Real-World Exposure

3 pkgs affected
org.xwiki.platform:xwiki-platform-localization-source-wikiorg.xwiki.platform:xwiki-platform-localization-source-wikiorg.xwiki.platform:xwiki-platform-localization-source-wiki

Real-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

It's possible to break many translations coming from wiki pages by creating a corrupted document containing a translation object.

Patches

The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11.

Workarounds

There is no other workaround other than fixing any way to create a document that fail to load.

References

https://jira.xwiki.org/browse/XWIKI-20460

For more information

If you have any questions or comments about this advisory:

Affected Packages

3 total 3 fixed
EcosystemPackageVulnerable rangeFix
Mavenorg.xwiki.platform:xwiki-platform-localization-source-wiki4.3-milestone-2&&< 13.10.1113.10.11org.xwiki.platform:xwiki-platform-localization-source-wiki:13.10.11
Mavenorg.xwiki.platform:xwiki-platform-localization-source-wiki14.0-rc-1&&< 14.4.814.4.8org.xwiki.platform:xwiki-platform-localization-source-wiki:14.4.8
Mavenorg.xwiki.platform:xwiki-platform-localization-source-wiki14.5&&< 14.10.114.10.1org.xwiki.platform:xwiki-platform-localization-source-wiki:14.10.1
Exploits & PoCs
2

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

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.xwiki.platform:xwiki-platform-localization-source-wiki, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.xwiki.platform:xwiki-platform-localization-source-wiki to 13.10.11 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-9jq5-xwqw-q8j3 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 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-9jq5-xwqw-q8j3 can be triaged on real exposure rather than presence alone.

Tailored to GHSA-9jq5-xwqw-q8j3. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Impact It's possible to break many translations coming from wiki pages by creating a corrupted document containing a translation object. ### Patches The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11. ### Workarounds There is no other workaround other than fixing any way to create a document that fail to load. ### References https://jira.xwiki.org/browse/XWIKI-20460 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](m
O3 Security · Impact-Aware SCA

Is GHSA-9jq5-xwqw-q8j3 in your dependencies?

O3 Security finds GHSA-9jq5-xwqw-q8j3 across Maven dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-9jq5-xwqw-q8j3: Medium 4.3 severity | O3 Security