Crayon Syntax Highlighter: Server-side request forgery
Crayon Syntax Highlighter is affected by server-side request forgery. Exploitation requires an authenticated WordPress account. The vulnerable server can be induced to make attacker-selected network requests.
- Component
- Crayon Syntax Highlighter
- Plugin slug
crayon-syntax-highlighter- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Sep 12, 2023
This CVE was published Sep 12, 2023 and is one of 3 known issues for this plugin.
Update, patch or deactivate.
Update Crayon Syntax Highlighter to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N