CVE-2026-66679: codepeople appointment hour booking
CVSS: 6.5v3.1MediumDeferred
Published 18-08-2026Last modified 18-08-2026
Vulnerability summary
CVE-2026-66679 is a medium (CVSS 6.5) vulnerability in codepeople appointment hour booking. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.4% of scored vulnerabilities. Fixed in 1.5.95.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.35%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-08-2026PublishedVulnerability first disclosed.
- 18-08-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Broken Access Control in Appointment Hour Booking <= 1.5.91 versions.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:LSources3 sources · 5.3–6.5
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
+0.01 pp
From 0.34% on 21-09-2026
21-09-202621-10-2026
EPSS score0.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-1284Improper Validation of Specified Quantity in InputThe product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
Codepeople1 product
- appointment hour booking≥ n/a, ≤ 1.5.91
Wordpress1 product
- appointment-hour-booking≤ 1.5.94 (fixed in 1.5.95)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry