CVE-2026-57778: wordpress booking-calendar Missing Authorization
CVSS: 5.3v3.1MediumDeferred
Published 13-07-2026Last modified 13-07-2026
Vulnerability summary
CVE-2026-57778 is a medium (CVSS 5.3) Missing Authorization vulnerability in wordpress booking-calendar. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.8% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-07-2026PublishedVulnerability first disclosed.
- 13-07-2026Last modifiedVulnerability information updated.
Description
Missing Authorization vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Booking calendar, Appointment Booking System: from n/a through <= 3.2.36.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSourcesAll 3 agree
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 21-09-2026
21-09-202621-10-2026
EPSS score0.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Wordpress1 product
- booking-calendar≤ 3.2.36
Wpdevart1 product
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry