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Stored cross-site scripting in WordPress WP Event Solution plugin

Priority LOW 31CWE-79Published · Updated

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

The Arraytics WP Event Solution WordPress plugin (wp-event-solution) is affected through version 4.1.26. Improper neutralization of input during web page generation lets stored script content persist in the plugin's pages (CWE-79). An unauthenticated remote attacker can inject script that runs in a victim's browser when a user interacts with the affected page.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Arraytics WP Event Solution wp-event-solution allows Stored XSS.This issue affects WP Event Solution: from n/a through 4.1.26.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00201 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
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

VendorProductAffected versionsFixed inStatusSource
ArrayticsWP Event Solutionup to 4.1.26—No fix listedCNA
  • WP Event Solution VendorArraytics Affected up to 4.1.26 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for WP Event Solution.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-24 Threatist record created from CVE-2026-112844
  2. 2026-10-24 Alias added: GHSA-99x4-4mmj-pmv9
  3. 2026-10-24 CISA SSVC decision points changed
  4. 2026-10-24 Priority changed: MEDIUM → LOW

References

  • TI-2025-30036 WordPress Eventin plugin <= 4.0.26 - Privilege Escalation Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2025-29942 WordPress Eventin plugin <= 4.0.26 - Arbitrary File Download Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2024-08599 Authorization bypass in Arraytics Timetics – Appointment Booking & Scheduling CVSS 3.1CRITICAL 9.8
  • TI-2026-41447 WordPress Booktics plugin <= 1.0.21 - PHP Object Injection vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2024-29512 WordPress Timetics plugin <= 1.0.23 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2023-25913 WordPress WPCafe plugin <= 2.2.22 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
See all 80 →

Sources