# CVE-2023-29520: Page render failure due to broken translations in xwiki-platform > Attackers can break page rendering by creating corrupted translation objects, causing denial of service for wiki users. - **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`) - **Exploited in the wild:** Not known - **Login needed:** Any signed-in user - **Attackable:** Over the internet - **Victim action needed:** Not needed - **Fix available:** Yes - **Published:** 18 Apr 2023 - **Updated:** 5 Feb 2025 - **Also known as:** GHSA-9jq5-xwqw-q8j3 ## What is CVE-2023-29520? CVE-2023-29520 is a medium-severity denial of service vulnerability in Xwiki Xwiki, published on 18 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim. ### Official description XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It's possible to break many translations coming from wiki pages by creating a corrupted document containing a translation object. This will lead to a broken page. The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11. Users are advised to upgrade. There are no workarounds other than fixing any way to create a document that fail to load. Weakness: CWE-755 (Improper Handling of Exceptional Conditions), CWE-248 (Uncaught Exception) ## Which versions are affected by CVE-2023-29520? 6 open source packages ship an affected version, including org.xwiki.platform:xwiki-platform-localization-source-wiki. It affects 1 product. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `org.xwiki.platform:xwiki-platform-localization-source-wiki` | Maven | From 14.0-rc-1 | 14.4.8 | | `org.xwiki.platform:xwiki-platform-localization-source-wiki` | Maven | From 14.0-rc-1 | 14.4.8 | | `org.xwiki.platform:xwiki-platform-localization-source-wiki` | Maven | From 14.5 | 14.10.1 | | `org.xwiki.platform:xwiki-platform-localization-source-wiki` | Maven | From 14.5 | 14.10.1 | | `org.xwiki.platform:xwiki-platform-localization-source-wiki` | Maven | From 4.3-milestone-2 | 13.10.11 | | `org.xwiki.platform:xwiki-platform-localization-source-wiki` | Maven | From 4.3-milestone-2 | 13.10.11 | Products: Xwiki Xwiki. ## How do I fix CVE-2023-29520? Upgrade org.xwiki.platform:xwiki-platform-localization-source-wiki to a fixed version for your release line: 14.4.8, 14.10.1 or 13.10.11. ## Is CVE-2023-29520 being exploited? It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29520 exists. ## Other vulnerabilities in Xwiki Xwiki - [CVE-2025-24893](https://insights.sbomify.com/CVE-2025-24893/): XWiki Platform Eval Injection (critical 9.8, exploited in the wild) - [CVE-2025-53836](https://insights.sbomify.com/CVE-2025-53836/): XWiki Rendering is vulnerable to RCE attacks when processing nested macros (critical 10.0) - [CVE-2024-55662](https://insights.sbomify.com/CVE-2024-55662/): XWiki allows remote code execution through the extension sheet (critical 10.0) - [CVE-2024-55877](https://insights.sbomify.com/CVE-2024-55877/): XWiki allows remote code execution from account through macro descriptions and XWiki.XWikiSyntaxMacrosList (critical 10.0) - [CVE-2024-37901](https://insights.sbomify.com/CVE-2024-37901/): XWiki Platform vulnerable to remote code execution from account via SearchSuggestConfigSheet (critical 10.0) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2023-29520 and fix it if it is affected. What it is: CVE-2023-29520 is a medium-severity denial of service vulnerability in Xwiki Xwiki, published on 18 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim. Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29520 exists. Affected packages and fixed versions: - org.xwiki.platform:xwiki-platform-localization-source-wiki (Maven): affected from 14.0-rc-1; fixed in 14.4.8 - org.xwiki.platform:xwiki-platform-localization-source-wiki (Maven): affected from 14.0-rc-1; fixed in 14.4.8 - org.xwiki.platform:xwiki-platform-localization-source-wiki (Maven): affected from 14.5; fixed in 14.10.1 - org.xwiki.platform:xwiki-platform-localization-source-wiki (Maven): affected from 14.5; fixed in 14.10.1 - org.xwiki.platform:xwiki-platform-localization-source-wiki (Maven): affected from 4.3-milestone-2; fixed in 13.10.11 - org.xwiki.platform:xwiki-platform-localization-source-wiki (Maven): affected from 4.3-milestone-2; fixed in 13.10.11 Task: 1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies. 2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it. 3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead. 4. Run the tests and summarise what changed and why. 5. If nothing in the project is affected, say so and change nothing. Reference: https://insights.sbomify.com/CVE-2023-29520/ (Markdown: https://insights.sbomify.com/CVE-2023-29520/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2023-29520 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-29520 - OSV: https://osv.dev/vulnerability/CVE-2023-29520 --- From sbomify Insights: https://insights.sbomify.com/CVE-2023-29520/ Summaries are generated and may contain mistakes; the official description above is the record.