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TI-2026-11185 Aliases CVE-2026-13173GHSA-cq65-6mp3-935p

Eventin < 4.1.21 - Contributor+ User Role and Meta Modification via Speaker Creation

Priority LOW 13CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
High
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 4.1.21 does not verify the current user's permission to edit other users before assigning roles and updating user metadata during speaker creation, allowing users with contributor-level access and above to modify other users' roles and metadata.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00281 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Eventin (Unknown): 4.1.21

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
UnknownEventinbefore 4.1.214.1.21Patch availableCNA
  • Eventin VendorUnknown Affected before 4.1.21 Fixed in 4.1.21 Patch available CNA

Remediation

  • Fix · CNA Eventin (Unknown) Fixed in 4.1.21

Fixed in the same release

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

  • Release ·

    Eventin 4.1.21

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-11181 Eventin < 4.1.21 - Contributor+ Arbitrary Event Modification, Deletion and Ownership Takeover via IDORPriority LOW 37
    • TI-2026-11186 Eventin < 4.1.21 - Contributor+ Speaker Account Deletion via IDORPriority LOW 32
    • TI-2026-11187 Eventin < 4.1.21 - Contributor+ Schedule Deletion and Modification via IDORPriority LOW 29

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-13173
  2. 2026-10-03 Alias added: GHSA-cq65-6mp3-935p

References

Sources