Crayon Syntax Highlighter <= 2.8.4 - Authenticated (Contributor+) Server Side Request Forgery

2023-09-11 00:00

István Márton

Strategic Overview

Status

Unpatched

Affected PluginCrayon Syntax Highlighter

Affected Version<= 2.8.4

CVSS6.4Medium

CVECVE-2023-4893

View all Crayon Syntax Highlighter vulnerabilities

Vulnerability Overview

The Crayon Syntax Highlighter plugin for WordPress is vulnerable to Server Side Request Forgery via the 'crayon' shortcode in versions up to, and including, 2.8.4. This can allow authenticated attackers with contributor-level permissions or above to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-918 (Server-Side Request Forgery (SSRF)) The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

External References

https://www.cve.org/CVERecord?id=CVE-2023-4893 https://www.wordfence.com/threat-intel/vulnerabilities/id/527f75f1-6361-4e16-8ae4-d38ca4589811

CVSS Vector

6.4

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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