Server-Side Request Forgery (SSRF) in Crayon Syntax Highlighter - CVE-2023-4893
Published: September 14, 2023
Vulnerability identifier: #VU80786
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-4893
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Crayon Syntax Highlighter
Crayon Syntax Highlighter
Software vendor:
Aram Kocharyan
Aram Kocharyan
Description
The disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input in the "crayon" shortcode. A remote user can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.