9.8

CVE-2026-66453: dimitri grassi salon booking system

CVSS: 9.8v3.1CriticalDeferred
Published 13-08-2026Last modified 13-08-2026

Vulnerability summary

CVE-2026-66453 is a critical (CVSS 9.8) vulnerability in dimitri grassi salon booking system. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.3% of scored vulnerabilities. Fixed in 10.30.27.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.61%
0%100%
Low · +0.21 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-08-2026
    PublishedVulnerability first disclosed.
  2. 13-08-2026
    Last modifiedVulnerability information updated.

Description

Unauthenticated Broken Authentication in Salon booking system <= 10.30.26 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.61%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

+0.21 pp

From 0.39% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.61%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Dimitri grassi1 product
Wordpress1 product
  • salon-booking-system≤ 10.30.26 (fixed in 10.30.27)

2 vendors · 2 products

References

2 links