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WordPress Kirki plugin <= 6.3.1 - Arbitrary Code Execution vulnerability

Priority MEDIUM 41CWE-1284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Improper Validation of Specified Quantity in Input vulnerability in Themeum Kirki kirki allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Kirki: from n/a through 6.3.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00203 10th 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
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
themeumKirkiup to 6.3.1—No fix listedCNA
  • Kirki Vendorthemeum Affected up to 6.3.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-03 Threatist record created from CVE-2026-103065
  2. 2026-10-03 Alias added: GHSA-3ggw-53qv-qjmj
  3. 2026-10-04 Priority changed: LOW → MEDIUM

References

  • 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