WordPress plugin
Syntax Highlighter Compress security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All Syntax Highlighter Compress vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.1 | Reflected Cross-Site Scripting ≤3.0.83.3No patch available | CVE-2025-68859 |
- Medium6.1Reflected Cross-Site Scripting
≤3.0.83.3No patch available
Syntax Highlighter Compress: common questions
Does Syntax Highlighter Compress have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Syntax Highlighter Compress: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Syntax Highlighter Compress I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent Syntax Highlighter Compress vulnerability?
CVE-2025-68859, published Jan 16, 2026: Syntax Highlighter Compress <= 3.0.83.3 - Reflected Cross-Site Scripting. Severity: Medium (CVSS 6.1).
Is any Syntax Highlighter Compress vulnerability listed in CISA KEV?
No. None of the known Syntax Highlighter Compress vulnerabilities is currently listed in the CISA KEV catalog.