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TI-2025-40628 Aliases CVE-2025-66103GHSA-5f5g-3v7q-886j

WordPress WPCal.io plugin <= 0.9.5.9 - Cross Site Scripting (XSS) vulnerability

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 revmakx WPCal.io wpcal allows DOM-Based XSS.This issue affects WPCal.io: from n/a through <= 0.9.5.9.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00231 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

VendorProductAffected versionsFixed inStatusSource
revmakxWPCal.ioup to 0.9.5.9—No fix listedCNA
  • WPCal.io Vendorrevmakx Affected up to 0.9.5.9 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-66103
  2. 2026-10-03 Alias added: GHSA-5f5g-3v7q-886j

References

Other 1

  • TI-2024-08222 Backup and Staging by WP Time Capsule <= 1.22.21 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
  • TI-2020-07033 The InfiniteWP Client plugin before 1.9.4.5 for WordPress has a missing authorization… CVSS 3.1CRITICAL 9.8
  • TI-2016-09124 InfiniteWP Client Plugin injection CVSS 3.1CRITICAL 9.8
  • TI-2023-02734 InfiniteWP Client <= 1.11.1 - Authenticated (Subscriber+) Sensitive Information Exposure CVSS 3.1HIGH 7.5
  • TI-2024-26004 Improper privilege management in revmakx Backup and Staging by WP Time Capsule CVSS 3.1CRITICAL 9.8
  • TI-2026-67954 Arbitrary file upload in WordPress WP Duplicate plugin CVSS 3.1CRITICAL 9.9
See all 21 →

Sources

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