CVE-2023-4893 Crayon Syntax Highlighter <= 2.8.4 - Authenticated (Contributor+) Server Side Request Forgery
Authenticated contributors can exploit SSRF in Crayon Syntax Highlighter to query and modify internal services via the crayon shortcode.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-4893?
CVE-2023-4893 is a medium-severity server-side request forgery vulnerability in akarmenia Crayon Syntax Highlighter, published on 12 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-918
Which versions are affected by CVE-2023-4893?
It affects 1 product.
Products include Aramk Crayon-Syntax-Highlighter.
How do I fix CVE-2023-4893?
No fix has been published for CVE-2023-4893 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2023-4893 being exploited?
There is no known exploitation of CVE-2023-4893 in the wild and no public exploit code.
Sources
Also known as GHSA-5vp5-gwxm-8xrq.