SSRF in Akarmenia Crayon Syntax Highlighter

CVE-2023-4893

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (24.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-4893?
CVE-2023-4893 is a medium-severity vulnerability in Akarmenia Crayon Syntax Highlighter, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.4/10. Published 2023-09-12.
How severe is CVE-2023-4893?
Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2023-4893 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.