5.3

CVE-2026-88995: unknown bookit — booking & appointment calendar

CVSS: 5.3v3.1MediumDeferred
Published 13-09-2026Last modified 13-09-2026
Open JSON

Vulnerability summary

CVE-2026-88995 is a medium (CVSS 5.3) vulnerability in unknown bookit — booking & appointment calendar. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.6% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 2.6.0.1.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.34%
0%100%
Low · +0.14 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 13-09-2026
    PublishedVulnerability first disclosed.
  2. 13-09-2026
    Last modifiedVulnerability information updated.

Description

The Bookit — Booking & Appointment Calendar WordPress plugin before 2.6.0.1 does not properly restrict the data returned by an availability-check request, allowing unauthenticated users to retrieve other customers' appointment details, including free-text booking comments and contact information.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

+0.14 pp

From 0.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Unknown1 product
Wordpress1 product
  • bookit< 2.6.0.1

2 vendors · 2 products

References

2 links