TI-2025-33315 Aliases CVE-2025-53349 GHSA-cxw3-8hp5-fg86

WordPress Kalium Theme <= 3.18.3 - Cross Site Scripting (XSS) Vulnerability

LOW 31CWE-79Published 2025-11-06 · Updated 2026-04-28

Key facts

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

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

Summary

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Laborator Kalium kalium allows Reflected XSS.This issue affects Kalium: from n/a through <= 3.18.3.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00235 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
Laborator	Kalium	up to 3.18.3	—	No fix listed	CNA

Kalium VendorLaborator Affected up to 3.18.3 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-53349
2026-10-03 Alias added: GHSA-cxw3-8hp5-fg86

References

Other 1

https://patchstack.com/database/Wordpress/Theme/kalium/vulnerability/wordpress-kalium-theme-3-18-3-cross-site-scripting-xss-vulnerability?_s_id=cve

TI-2025-42742 WordPress Oxygen theme <= 6.0.8 - Server Side Request Forgery (SSRF) vulnerability CVSS 3.1HIGH 7.2
TI-2025-31841 WordPress Kalium theme <= 3.25 - Arbitrary Code Execution vulnerability CVSS 3.1HIGH 7.2
TI-2025-11805 Oxygen <= 6.0.8 - Unauthenticated Server-Side Request Forgery via route_path CVSS 3.1HIGH 7.2
TI-2019-14519 An XSS issue was discovered in the Laborator Neon theme 2.0 for WordPress via the… CVSS 3.1MEDIUM 6.1
TI-2025-33314 WordPress Kalium Theme <= 3.18.3 - Broken Access Control Vulnerability CVSS 3.1MEDIUM 5.3
TI-2025-11814 Kalium <= 3.29 - Missing Authorization to Unauthenticated Mail Relay via kalium_vc_contact_form_request CVSS 3.1MEDIUM 5.3

See all 12 →

Sources

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