TI-2025-12174 Aliases CVE-2025-13311 GHSA-cq42-27g7-j8cw

Just Highlight <= 1.0.3 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Highlight Color' Setting

LOW 20CWE-79Published 2025-11-25 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: High
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The Just Highlight plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Highlight Color' setting in all versions up to, and including, 1.0.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the plugin's settings page.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00233 14th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
sigalitam	Just Highlight	up to 1.0.3	—	No fix listed	CNA

Just Highlight Vendorsigalitam Affected up to 1.0.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-13311
2026-10-03 Alias added: GHSA-cq42-27g7-j8cw

References

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences