TI-2026-82478 Aliases CVE-2026-42694 GHSA-9x6c-qgqv-cf9j

Cross-site scripting in Themeum Kirki WordPress plugin

LOW 19CWE-80Published 2026-10-29 · Updated 2026-10-30

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-80.

Summary

Themeum Kirki versions through 6.4.0 do not neutralize script-related HTML tags in web pages (CWE-80), which allows script injection. A remote attacker with low privileges can inject script content without user interaction, with a limited impact on confidentiality.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Themeum Kirki kirki allows Code Injection.This issue affects Kirki: from n/a through 6.4.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00173 6th 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
themeum	Kirki	up to 6.4.0	—	No fix listed	CNA

Kirki Vendorthemeum Affected up to 6.4.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Kirki.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Timeline

2026-10-29 Threatist record created from CVE-2026-42694
2026-10-29 Alias added: GHSA-9x6c-qgqv-cf9j
2026-10-30 CISA SSVC decision points changed

References

Other 1

https://patchstack.com/database/wordpress/plugin/kirki/vulnerability/wordpress-kirki-plugin-6-4-0-content-injection-vulnerability?_s_id=cve

TI-2024-09629 Tutor LMS <= 2.7.6 - Unauthenticated SQL Injection via rating_filter CVSS 3.1HIGH 7.5
TI-2023-02936 Tutor LMS < 2.2.1 - Unauthenticated Access to Tutor LMS Lesson Resources via REST API CVSS 3.1HIGH 7.5
TI-2021-07196 Qubely < 1.8.6 - Unauthenticated Arbitrary E-mail Sending CVSS 3.1HIGH 7.5
TI-2023-05666 WP Crowdfunding < 2.1.9 - Reflected XSS CVSS 3.1MEDIUM 6.1
TI-2023-00225 Tutor LMS < 2.0.10 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
TI-2023-04422 Tutor LMS < 2.3.0 - Subscriber+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 5.4

See all 171 →

Sources

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