CVE-2023-37914 – org.xwiki.platform:xwiki-platform-invitation-ui

Package

Manager: maven
Name: org.xwiki.platform:xwiki-platform-invitation-ui
Vulnerable Version: >=2.5-m-1 <14.4.8 || >=14.5 <14.10.6 || >=15.0-rc-1 <15.2-rc-1

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L

EPSS: 0.0432 pctl0.88454

Details

XWiki Platform privilege escalation (PR)/RCE from account through Invitation subject/message ### Impact Any user who can view `Invitation.WebHome` can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. This can be reproduced with the following steps: 1. Open the invitation application (Invitation.WebHome). 1. Set the subject to `{{cache}}{{groovy}}new File("/tmp/exploit.txt").withWriter { out -> out.println("Attacked from invitation!"); }{{/groovy}}{{/cache}}` 1. Click "Preview" ### Patches The vulnerability has been patched on XWiki 14.4.8, 15.2-rc-1, and 14.10.6. ### Workarounds The vulnerability can be patched manually by applying the [patch](https://github.com/xwiki/xwiki-platform/commit/ff1d8a1790c6ee534c6a4478360a06efeb2d3591) on `Invitation.InvitationCommon` and `Invitation.InvitationConfig`. ### References - https://jira.xwiki.org/browse/XWIKI-20421 - https://github.com/xwiki/xwiki-platform/commit/ff1d8a1790c6ee534c6a4478360a06efeb2d3591 ### 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](mailto:security@xwiki.org)

Metadata

Created: 2023-08-18T21:50:33Z
Modified: 2023-08-18T21:50:33Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/08/GHSA-7954-6m9q-gpvf/GHSA-7954-6m9q-gpvf.json
CWE IDs: ["CWE-94", "CWE-95"]
Alternative ID: GHSA-7954-6m9q-gpvf
Finding: F184
Auto approve: 1