7.5

CVE-2026-40780: liquid web / stellarwp bookit

CVSS: 7.5v3.1HighDeferred
Published 02-06-2026Last modified 02-06-2026
Open JSON

Vulnerability summary

CVE-2026-40780 is a high (CVSS 7.5) vulnerability in liquid web / stellarwp bookit. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40% of scored vulnerabilities. Fixed in 2.5.4.1.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.48%
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. 02-06-2026
    PublishedVulnerability first disclosed.
  2. 02-06-2026
    Last modifiedVulnerability information updated.

Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in Liquid Web / StellarWP BookIt allows Password Recovery Exploitation. This issue affects BookIt: from n/a before 2.5.4.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.48%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

+0.21 pp

From 0.27% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.48%

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

Liquid web / stellarwp1 product
Wordpress1 product
  • bookit≤ 2.5.1 (fixed in 2.5.4.1)

2 vendors · 2 products

References

2 links