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TI-2026-58249 Aliases CVE-2026-84743GHSA-gjgg-4qh2-m6v7

Incorrect authorization in The Events Calendar

Priority LOW 18CWE-863Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.

Summary

The Events Calendar WordPress plugin before 6.17.5 does not perform a per-object capability check on one family of its REST write routes, allowing users with a low-privilege role such as contributor to modify, unpublish, trash and take ownership of records belonging to other users, including administrators.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00318 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed The Events Calendar (Unknown): 6.17.5

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
UnknownThe Events Calendar6.15.16.1 to before 6.17.56.17.5Patch availableCNA
  • The Events Calendar VendorUnknown Affected 6.15.16.1 to before 6.17.5 Fixed in 6.17.5 Patch available CNA

Remediation

  • Fix · CNA The Events Calendar (Unknown) Fixed in 6.17.5

Fixed in the same release

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

  • Release ·

    The Events Calendar 6.17.5

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-58247 The Events Calendar 4.5 - 6.17.4.1 - Unauthenticated Non-Public Venue and Organizer Disclosure via REST APIPriority LOW 30
    • TI-2026-58248 The Events Calendar 6.15.0 - 6.17.4.1 - Contributor+ Content Publication via TEC V1 REST APIPriority LOW 13
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-84743
  2. 2026-10-03 Alias added: GHSA-gjgg-4qh2-m6v7

References

Exploit 1

Sources

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