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TI-2026-21529 Aliases CVE-2026-27070GHSA-rc4c-fv77-h4vh

WordPress Everest Forms Pro plugin <= 1.9.10 - Cross Site Scripting (XSS) vulnerability

Priority LOW 30CWE-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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPEverest Everest Forms Pro allows Stored XSS.This issue affects Everest Forms Pro: from n/a through 1.9.10.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00151 4th 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
wpeverestEverest Forms Proup to 1.9.10—No fix listedCNA
  • Everest Forms Pro Vendorwpeverest Affected up to 1.9.10 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-2026-27070
  2. 2026-10-03 Alias added: GHSA-rc4c-fv77-h4vh

References

Other 1

  • TI-2025-00958 Everest Forms <= 3.0.9.4 - Unauthenticated Arbitrary File Upload, Read, and Deletion CVSS 3.1CRITICAL 9.8
  • TI-2026-02850 Everest Forms Pro <= 1.9.12 - Unauthenticated Remote Code Execution via Calculation Field CVSS 3.1CRITICAL 9.8
  • TI-2026-01188 User Registration & Membership <= 5.1.2 - Unauthenticated Privilege Escalation via Membership Registration CVSS 3.1CRITICAL 9.8
  • TI-2025-02262 User Registration & Membership < 4.1.3 - Authentication Bypass CVSS 3.1HIGH 8.1
  • TI-2025-02232 User Registration & Membership < 4.1.2- Unauthenticated Privilege Escalation CVSS 3.1HIGH 8.1
  • TI-2022-03588 User Registration < 2.2.4.1 - Subscriber+ Arbitrary File Upload CVSS 3.1HIGH 7.5
See all 80 →

Sources

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