Reflected XSS Vulnerability in Syntax Highlighter Compress by Agmorpheus
CVE-2025-68859

7.1HIGH

Key Information:

Vendor

WordPress
Status
Syntax Highlighter Compress
Vendor
CVE Published:
22 January 2026

What is CVE-2025-68859?

The Syntax Highlighter Compress plugin by Agmorpheus contains a reflected XSS vulnerability due to improper neutralization of input during web page generation. This flaw affects versions up to and including 3.0.83.3, allowing attackers to execute malicious scripts in the context of user sessions. Exploiting this vulnerability can lead to data theft, unauthorized actions, and compromised user experiences, emphasizing the critical need for timely updates and secure coding practices.

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Affected Version(s)

Syntax Highlighter Compress <= n/a

References

https://patchstack.com/database/Wordpress/Plugin/syntax-h...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

0xVenus | Patchstack Bug Bounty Program
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