# CVE-2023-29202: org.xwiki.platform:xwiki-platform-rendering-macro-rss Cross-site Scripting vulnerability > Attackers can inject malicious scripts via RSS feeds, potentially leading to remote code execution and privilege escalation in XWiki. - **Severity:** Critical 9.1 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H`) - **Exploited in the wild:** Not known - **Login needed:** Any signed-in user - **Attackable:** Over the internet - **Victim action needed:** A user has to click or open something - **Fix available:** Yes - **Published:** 15 Apr 2023 - **Updated:** 6 Feb 2025 - **Also known as:** GHSA-c885-89fw-55qr ## What is CVE-2023-29202? CVE-2023-29202 is a critical cross-site scripting vulnerability in Xwiki Xwiki, published on 15 Apr 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link. ### Official description XWiki Commons are technical libraries common to several other top level XWiki projects. The RSS macro that is bundled in XWiki included the content of the feed items without any cleaning in the HTML output when the parameter `content` was set to `true`. This allowed arbitrary HTML and in particular also JavaScript injection and thus cross-site scripting (XSS) by specifying an RSS feed with malicious content. With the interaction of a user with programming rights, this could be used to execute arbitrary actions in the wiki, including privilege escalation, remote code execution, information disclosure, modifying or deleting content and sabotaging the wiki. The issue has been patched in XWiki 14.6 RC1, the content of the feed is now properly cleaned before being displayed. As a workaround, if the RSS macro isn't used in the wiki, the macro can be uninstalled by deleting `WEB-INF/lib/xwiki-platform-rendering-macro-rss-XX.jar`, where `XX` is XWiki's version, in the web application's directory. Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation) ## Which versions are affected by CVE-2023-29202? 4 open source packages ship an affected version, including org.xwiki.platform:xwiki-core-rendering-macro-rss and org.xwiki.platform:xwiki-platform-rendering-macro-rss. It affects 1 product. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `org.xwiki.platform:xwiki-core-rendering-macro-rss` | Maven | From 1.8 to 3.0.1 | None | | `org.xwiki.platform:xwiki-core-rendering-macro-rss` | Maven | From 1.8 to 3.0.1 | None | | `org.xwiki.platform:xwiki-platform-rendering-macro-rss` | Maven | All versions | 14.6-rc-1 | | `org.xwiki.platform:xwiki-platform-rendering-macro-rss` | Maven | All versions | 14.6-rc-1 | Products: Xwiki Xwiki. ## How do I fix CVE-2023-29202? Apply the vendor's patch. ## Is CVE-2023-29202 being exploited? It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29202 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-2023-29202 and fix it if it is affected. What it is: CVE-2023-29202 is a critical cross-site scripting vulnerability in Xwiki Xwiki, published on 15 Apr 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link. Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29202 exists. Affected packages and fixed versions: - org.xwiki.platform:xwiki-core-rendering-macro-rss (Maven): affected from 1.8 up to 3.0.1; no fix listed - org.xwiki.platform:xwiki-core-rendering-macro-rss (Maven): affected from 1.8 up to 3.0.1; no fix listed - org.xwiki.platform:xwiki-platform-rendering-macro-rss (Maven): affected all versions; fixed in 14.6-rc-1 - org.xwiki.platform:xwiki-platform-rendering-macro-rss (Maven): affected all versions; fixed in 14.6-rc-1 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-2023-29202/ (Markdown: https://insights.sbomify.com/CVE-2023-29202/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2023-29202 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-29202 - OSV: https://osv.dev/vulnerability/CVE-2023-29202 --- From sbomify Insights: https://insights.sbomify.com/CVE-2023-29202/ Summaries are generated and may contain mistakes; the official description above is the record.