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Fencer Vulns
medium 4.8

CVE-2022-0389 json

WP Time Slots Booking Form < 1.1.63 - Admin+ Stored Cross-Site Scripting

published 2022-03-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15537

cvss
4.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

The WP Time Slots Booking Form WordPress plugin before 1.1.63 does not sanitise and escape Calendar names, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Patch / fix

  • codepeople wp_time_slots_booking_form 1.1.63

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • wpscan.com https://wpscan.com/vulnerability/788ead78-9aa2-49a3-b191-12114be8270b referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • Unknown WP Time Slots Booking Form

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
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.