What is the CVSS score of CVE-2023-36477?

CVE-2023-36477 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.9%.

Is there a public PoC exploit available for CVE-2023-36477?

Yes, a public proof-of-concept exploit is available for CVE-2023-36477. Prioritise patching immediately. EPSS: 0.9%.

Is there a patch available for CVE-2023-36477?

Yes, a patch is available for CVE-2023-36477. Update the affected software to the latest version immediately.

Xwiki CVE-2023-36477

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2023-06-30 security-advisories@github.com

XSS Xwiki Ckeditor Integration

5.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Jun 30, 2023 - 19:15 nvd

MEDIUM 5.4

DescriptionNVD

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.

AnalysisAI

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Xwiki Ckeditor Integration, Xwiki.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.