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Fencer Vulns
medium 4.3

CVE-2026-84167 json

Hotel Booking <= 3.8 - Subscriber+ Booking Order PII Disclosure via IDOR

published 2026-10-12 28 d ago modified 2026-10-13 26 d ago also EUVD-2026-97242

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

The Hotel Booking WordPress plugin through 3.8 does not verify that a booking record belongs to the user requesting it, allowing any authenticated user such as a Subscriber to read other customers' booking details, including their name, email address, phone number and postal address, by referencing an identifier they do not own.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
28 d ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/77073fed-5f88-4fc5-82ea-7f588483961a/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

  • Unknown Hotel Booking

Classification

Weakness
  • CWE-639 Authorization Bypass Through User-Controlled Key
Technology feeds

References

Sources

Fencer Vulns 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.