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CVE-2023-36477

CRITICAL
Published 2023-06-30T18:57:38.354Z
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CVSS Score

V3.1
9.1
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.018
probability
of exploitation in the wild

There is a 1.8% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.820
Higher than 82.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with edit rights can edit all pages in the `CKEditor' space. This makes it possible to perform a variety of harmful actions, such as removing technical documents, leading to loss of service and editing the javascript configuration of CKEditor, leading to persistent XSS. This issue has been patched in XWiki 14.10.6 and XWiki 15.1. This issue has been patched on the CKEditor Integration extension 1.64.9 for XWiki version older than 14.6RC1. Users are advised to upgrade. Users unable to upgrade may manually address the issue by restricting the `edit` and `delete` rights to a trusted user or group (e.g. the `XWiki.XWikiAdminGroup` group), implicitly disabling those rights for all other users. See commit `9d9d86179` for details.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

xwiki

xwiki-platform

Affected Versions:

org.xwiki.contrib:application-ckeditor-ui: >= 1.9, < 1.64.9 org.xwiki.platform:xwiki-platform-ckeditor-ui: >= 14.6-rc-1, < 14.10.6 org.xwiki.platform:xwiki-platform-ckeditor-ui: >= 15.0, < 15.1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed CRITICAL

XWiki Platform vulnerable to persistent Cross-site Scripting through CKEditor Configuration pages

GHSA-793w-g325-hrw2

Advisory Details

### Effect Any user with edit rights can edit all pages in the `CKEditor' space. This makes it possible to perform a variety of harmful actions, such as - removing technical documents, leading to loss of service - Editing the javascript configuration of CKEditor, leading to persistent XSS ### Patches This issue has been patched in XWiki 14.10.6 and XWiki 15.1. This issue has been patched on the CKEditor Integration extension 1.64.9 for XWiki version older than 14.6RC1. ### Workarounds The issue can be fixed manually by restricting the `edit` and `delete` rights to a trusted user or group (e.g. the `XWiki.XWikiAdminGroup` group), implicitly disabling those rights for all other users. See https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f ### References - https://jira.xwiki.org/browse/XWIKI-20590 - https://jira.xwiki.org/browse/CKEDITOR-508 - https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f ### 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:[email protected])

Affected Packages

Maven org.xwiki.platform:xwiki-platform-ckeditor-ui
ECOSYSTEM: ≥14.6-rc-1 <14.10.6
Maven org.xwiki.contrib:application-ckeditor-ui
ECOSYSTEM: ≥1.9 <1.64.9
Maven org.xwiki.platform:xwiki-platform-ckeditor-ui
ECOSYSTEM: ≥15.0-rc-1 <15.1

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

References

WEB https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-793w-g325-hrw2
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-36477
WEB https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f
PACKAGE https://github.com/xwiki/xwiki-platform
WEB https://jira.xwiki.org/browse/CKEDITOR-508
WEB https://jira.xwiki.org/browse/XWIKI-20590

Advisory provided by GitHub Security Advisory Database. Published: June 30, 2023, Modified: June 30, 2023

References

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-793w-g325-hrw2
https://github.com/xwiki/xwiki-platform/commit/9d9d86179457cb8dc48b4491510537878800be4f
https://jira.xwiki.org/browse/CKEDITOR-508
https://jira.xwiki.org/browse/XWIKI-20590
Published: 2023-06-30T18:57:38.354Z
Last Modified: 2024-12-04T17:05:21.052Z
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