XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions any user with view rights can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of UIX parameters. A proof of concept exploit is to log in, add an `XWiki.UIExtensionClass` xobject to the user profile page, with an Extension Parameters content containing `label={{/html}} {{async async="true" cached="false" context="doc.reference"}}{{groovy}}println("Hello " + "from groovy!"){{/groovy}}{{/async}}`. Then, navigating to `PanelsCode.ApplicationsPanelConfigurationSheet` (i.e., `<xwiki-host>/xwiki/bin/view/PanelsCode/ApplicationsPanelConfigurationSheet` where `<xwiki-host>` is the URL of your XWiki installation) should not execute the Groovy script. If it does, you will see `Hello from groovy!` displayed on the screen. This vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10-rc-1. Users are advised to upgrade. For users unable to upgrade the issue can be fixed by editing the `PanelsCode.ApplicationsPanelConfigurationSheet` wiki page and making the same modifications as shown in commit `6de5442f3c`.
References
| Link | Resource |
|---|---|
| https://github.com/xwiki/xwiki-platform/commit/6de5442f3c91c3634a66c7b458d5b142e1c2a2dc | Patch |
| https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-qxjg-jhgw-qhrv | Exploit Patch Vendor Advisory |
| https://jira.xwiki.org/browse/XWIKI-20294 | Exploit Issue Tracking Patch Vendor Advisory |
| https://github.com/xwiki/xwiki-platform/commit/6de5442f3c91c3634a66c7b458d5b142e1c2a2dc | Patch |
| https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-qxjg-jhgw-qhrv | Exploit Patch Vendor Advisory |
| https://jira.xwiki.org/browse/XWIKI-20294 | Exploit Issue Tracking Patch Vendor Advisory |
Configurations
Configuration 1 (hide)
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History
21 Nov 2024, 07:52
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/xwiki/xwiki-platform/commit/6de5442f3c91c3634a66c7b458d5b142e1c2a2dc - Patch | |
| References | () https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-qxjg-jhgw-qhrv - Exploit, Patch, Vendor Advisory | |
| References | () https://jira.xwiki.org/browse/XWIKI-20294 - Exploit, Issue Tracking, Patch, Vendor Advisory |
07 Nov 2023, 04:09
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions any user with view rights can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of UIX parameters. A proof of concept exploit is to log in, add an `XWiki.UIExtensionClass` xobject to the user profile page, with an Extension Parameters content containing `label={{/html}} {{async async="true" cached="false" context="doc.reference"}}{{groovy}}println("Hello " + "from groovy!"){{/groovy}}{{/async}}`. Then, navigating to `PanelsCode.ApplicationsPanelConfigurationSheet` (i.e., `<xwiki-host>/xwiki/bin/view/PanelsCode/ApplicationsPanelConfigurationSheet` where `<xwiki-host>` is the URL of your XWiki installation) should not execute the Groovy script. If it does, you will see `Hello from groovy!` displayed on the screen. This vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10-rc-1. Users are advised to upgrade. For users unable to upgrade the issue can be fixed by editing the `PanelsCode.ApplicationsPanelConfigurationSheet` wiki page and making the same modifications as shown in commit `6de5442f3c`. |
Information
Published : 2023-03-07 19:15
Updated : 2024-11-21 07:52
NVD link : CVE-2023-27479
Mitre link : CVE-2023-27479
CVE.ORG link : CVE-2023-27479
JSON object : View
Products Affected
xwiki
- xwiki
CWE
CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')