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Fencer Intel
low 2.7

CVE-2026-89007 json

Bookit < 2.6.0.5 - Bookit Staff+ Arbitrary Appointment Deletion via Missing Authorization

published last mo. modified last mo. also EUVD-2026-82680

cvss
2.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits
0
none known

Summary

The Bookit — Booking & Appointment Calendar WordPress plugin before 2.6.0.5 does not perform a capability check in one of its appointment-deletion functions, allowing users with its low-privileged custom Staff role to delete arbitrary appointments.

Patch / fix

  • Unknown Bookit — Booking & Appointment Calendar 2.6.0.5

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last mo.

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/5e174229-a375-456c-b651-7ad4a3c004ab/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 2.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CNA 3.1 2.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N

Affected products

  • Unknown Bookit — Booking & Appointment Calendar

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.