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TI-2026-54139 Aliases CVE-2026-77702GHSA-q986-8chq-7frc

Eventin < 4.1.24 - Unauthenticated Ticket Price Rewrite via order_token

Priority LOW 30CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

The Eventin WordPress plugin before 4.1.24 does not prevent the token issued to a guest at checkout from being used to change that order's tickets afterwards, allowing unauthenticated users to replace a paid ticket with a free one and complete the order at no charge.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00304 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Eventin (Unknown): 4.1.24

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
UnknownEventinbefore 4.1.244.1.24Patch availableCNA
  • Eventin VendorUnknown Affected before 4.1.24 Fixed in 4.1.24 Patch available CNA

Remediation

  • Fix · CNA Eventin (Unknown) Fixed in 4.1.24

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Eventin 4.1.24

    4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-58366 Eventin < 4.1.24 - Unauthenticated Payment Bypass via Stripe and PayPal Cross-Order Transaction ReplayPriority MEDIUM 63
    • TI-2026-58367 Eventin < 4.1.24 - Unauthenticated Order and Attendee Status Reset via Payment REST EndpointPriority LOW 17
    • TI-2026-58365 Eventin < 4.1.24 - Contributor+ User Creation via Speaker CreationPriority LOW 13
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-77702
  2. 2026-10-03 Alias added: GHSA-q986-8chq-7frc

References

Exploit 1

Sources

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