---
title: "CVE-2024-55662: XWiki allows remote code execution through the extension sheet"
url: https://erroneo.us/security/cve/CVE-2024-55662/
description: "CVE-2024-55662 (org.xwiki.platform:xwiki-platform-repository-server-ui (Maven)): XWiki Platform is a generic wiki platform. Starting in version…"
type: vulnerability-record
section: "Security Digest"
date_published: 2024-12-12
date_modified: 2025-04-30
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2024-55662"
kev: false
cvss: 10
epss: 0.00786
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2024-55662: XWiki allows remote code execution through the extension sheet

**Signal:** Critical, preconditions apply. Severe if exploited, but exploitation needs conditions that may not apply to you. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Not in CISA KEV , but CISA’s SSVC assessment records a public proof-of-concept, so attack code exists.
- EPSS 0.8% , percentile 56: FIRST’s model estimates a 0.8% chance of exploitation activity in the next 30 days, higher than 56% of all scored CVEs (moderate). EPSS is a probability, not a verdict.
- Needs an account (low (any account)). Exposure depends on who can log in.
- Only applies if your dependency tree includes org.xwiki.platform:xwiki-platform-repository-server-ui (Maven) >= 3.3-milestone-1, < 15.10.9, fixed in 15.10.9 ; org.xwiki.platform:xwiki-platform-repository-server-ui (Maven) >= 16.0.0-rc-1, < 16.3.0, fixed in 16.3.0 . Check your lockfile, including transitive dependencies.

## What it is

XWiki Platform is a generic wiki platform. Starting in version 3.3-milestone-1 and prior to versions 15.10.9 and 16.3.0, on instances where Extension Repository Application is installed, any user can execute any code requiring programming rights on the server. This vulnerability has been fixed in XWiki 15.10.9 and 16.3.0. Since Extension Repository Application is not mandatory, it can be safely disabled on instances that do not use it as a workaround. It is also possible to manually apply the patches from commit 8659f17d500522bf33595e402391592a35a162e8 to the page ExtensionCode.ExtensionSheet and to the page ExtensionCode.ExtensionAuthorsDisplayer.

## Affected packages

- Maven `org.xwiki.platform:xwiki-platform-repository-server-ui` >= 3.3-milestone-1, < 15.10.9 → fixed: 15.10.9
- Maven `org.xwiki.platform:xwiki-platform-repository-server-ui` >= 16.0.0-rc-1, < 16.3.0 → fixed: 16.3.0

## Affected products (CVE record)

- xwiki xwiki-platform: >= 3.3-milestone-1, < 15.10.9, >= 16.0.0-rc-1, < 16.3.0

## Severity

- GitHub_M CVSS 3.1: 10 `CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`
- GitHub CVSS 3.1: 9.9 `CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation poc , automatable no , technical impact total .
- FIRST EPSS (model of 2026-10-21): 0.79% probability of exploitation activity in the next 30 days; percentile 56.

## Sources

- [GitHub Advisory GHSA-j2pq-22jj-4pm5](https://github.com/advisories/GHSA-j2pq-22jj-4pm5)
- [CVE.org record CVE-2024-55662](https://www.cve.org/CVERecord?id=CVE-2024-55662)
- [NVD entry CVE-2024-55662](https://nvd.nist.gov/vuln/detail/CVE-2024-55662)
- [github.com](https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-j2pq-22jj-4pm5)
- [github.com](https://github.com/xwiki/xwiki-platform/commit/8659f17d500522bf33595e402391592a35a162e8)
- [jira.xwiki.org](https://jira.xwiki.org/browse/XWIKI-21890)

---
Source page: https://erroneo.us/security/cve/CVE-2024-55662/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt