CVE-2026-88995: Bookit — Booking & Appointment Calendar
- Severity
- 5.3 (MEDIUM)
- Affected versions
- 0 through before 2.6.0.1
- Fixed version
- 2.6.0.1
- Patch status
- Patched
- Published
- 2026-09-13T06:16:25.543
- Modified
- 2026-09-13T11:16:59.487
Why it matters
This matters because the affected product may be exposed on public websites. A vulnerable plugin can create a direct path to site compromise, malicious code deployment, or data theft.
Recommended admin actions
- Review during normal vulnerability triage unless the affected system is internet-facing or business-critical.
- Check whether the affected WordPress plugin or theme is installed.
- Update, disable, or remove the affected component if present.
- Compare installed versions against the affected version range in the advisory.
- Treat internet-facing systems as higher priority.
Technical summary
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.
View the official NVD record for CVE-2026-88995
CVE data is sourced from NVD/CNA records and optional enrichment. Validate against the vendor advisory before taking production action.
VULNERABILITY PULSE
| AFFECTED PRODUCT | ACTION | ||
|---|---|---|---|
| CVE-2026-90558 |
sngrep
Reporter: DISCLOSURE
|
9.3
CRITICAL
|
VIEW RECORD |
| CVE-2026-90561 |
strapi PATCH
Reporter: DISCLOSURE
|
9.3
CRITICAL
|
VIEW RECORD |
| CVE-2026-90562 |
LangBot PATCH
Reporter: DISCLOSURE
|
9.2
CRITICAL
|
VIEW RECORD |
| CVE-2026-90647 |
ASE2000 V2 Communication Test Set
Reporter: CVE
|
9.1
CRITICAL
|
VIEW RECORD |
| CVE-2026-90560 |
zstd-jni
Reporter: DISCLOSURE
|
8.8
HIGH
|
VIEW RECORD |
| CVE-2026-90559 |
snappy-java
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-90668 |
UnrealIRCd PATCH
Reporter: CVE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-90770 |
spug
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-90774 |
rustypaste PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-90776 |
nodemailer PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-90777 |
espnet PATCH
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-90778 |
sipp
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-90779 |
sipp
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-90780 |
sipp
Reporter: DISCLOSURE
|
8.7
HIGH
|
VIEW RECORD |
| CVE-2026-90768 EXPLOITED |
CAPEv2
Reporter: DISCLOSURE
|
8.6
HIGH
|
VIEW RECORD |
| CVE-2026-90556 |
freeciv PATCH
Reporter: DISCLOSURE
|
8.5
HIGH
|
VIEW RECORD |
| CVE-2026-90493 |
Internet Download Manager
Reporter: CNA
|
8.5
HIGH
|
VIEW RECORD |
| CVE-2026-90783 |
MKVToolNix PATCH
Reporter: DISCLOSURE
|
8.5
HIGH
|
VIEW RECORD |
| CVE-2026-90769 |
open-notebook PATCH
Reporter: DISCLOSURE
|
8.3
HIGH
|
VIEW RECORD |
| CVE-2026-90772 |
amundsen-frontend
Reporter: DISCLOSURE
|
8.3
HIGH
|
VIEW RECORD |
| CVE-2026-90651 |
Socket Firewall PATCH
Reporter: CVE
|
8.1
HIGH
|
VIEW RECORD |
| CVE-2026-90678 |
HAProxy PATCH
Reporter: CVE
|
7.5
HIGH
|
VIEW RECORD |
| CVE-2026-86406 |
User Registration & Membership PATCH
Reporter: CONTACT
|
7.5
HIGH
|
VIEW RECORD |
| CVE-2026-89080 |
Really Simple Security PATCH
Reporter: CONTACT
|
7.5
HIGH
|
VIEW RECORD |
| CVE-2026-90616 |
Product identification pending PATCH
Reporter: CVE
|
7.4
HIGH
|
VIEW RECORD |
| CVE-2026-80071 |
User Registration & Membership PATCH
Reporter: CONTACT
|
7.2
HIGH
|
VIEW RECORD |
| CVE-2026-90648 |
wabt
Reporter: CVE
|
7.1
HIGH
|
VIEW RECORD |
| CVE-2026-90767 |
Froxlor PATCH
Reporter: DISCLOSURE
|
7.1
HIGH
|
VIEW RECORD |
| CVE-2026-90775 |
address_standardizer
Reporter: DISCLOSURE
|
7.1
HIGH
|
VIEW RECORD |
| CVE-2026-90557 |
Product identification pending
Reporter: DISCLOSURE
|
6.9
MEDIUM
|
VIEW RECORD |
| CVE-2026-90494 |
node-restify
Reporter: CNA
|
6.9
MEDIUM
|
VIEW RECORD |
| CVE-2026-90513 |
api-lambda-send-email-ses
Reporter: CNA
|
6.9
MEDIUM
|
VIEW RECORD |
| CVE-2026-90771 |
Product identification pending
Reporter: DISCLOSURE
|
6.3
MEDIUM
|
VIEW RECORD |
| CVE-2026-90782 |
Product identification pending
Reporter: DISCLOSURE
|
6
MEDIUM
|
VIEW RECORD |
| CVE-2026-90495 |
Feng Office
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90498 |
vhr
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90504 |
WARP-Clash-API
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90509 |
orion-visor
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90510 |
orion-visor
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90514 |
School Registration and Fee System
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90515 |
School Registration and Fee System
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90516 |
School Registration and Fee System
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90517 |
Bank Locker Management System
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90522 |
Tourism-Management-System
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90523 |
Tourism-Management-System
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90524 |
Tourism-Management-System
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90526 |
School Registration and Fee System
Reporter: CNA
|
5.5
MEDIUM
|
VIEW RECORD |
| CVE-2026-90485 |
Uninstaller
Reporter: CNA
|
5.4
MEDIUM
|
VIEW RECORD |
| CVE-2026-88764 |
Simple Membership PATCH
Reporter: CONTACT
|
5.4
MEDIUM
|
VIEW RECORD |
| CVE-2026-90486 |
openstatus
Reporter: CNA
|
5.3
MEDIUM
|
VIEW RECORD |
| CVE-2026-77773 |
Contact Form to Chat Apps | Click to Chat to Order PATCH
Reporter: CONTACT
|
5.3
MEDIUM
|
VIEW RECORD |
| CVE-2026-88995 |
Bookit — Booking & Appointment Calendar PATCH
Reporter: CONTACT
|
5.3
MEDIUM
|
VIEW RECORD |
| CVE-2026-90527 |
shiyi-blog
Reporter: CNA
|
5.3
MEDIUM
|
VIEW RECORD |
| CVE-2026-90528 |
tduck-platform
Reporter: CNA
|
5.1
MEDIUM
|
VIEW RECORD |
| CVE-2026-90529 |
DataEase
Reporter: CNA
|
5.1
MEDIUM
|
VIEW RECORD |
| CVE-2026-90563 |
bbs-springboot
Reporter: CNA
|
5.1
MEDIUM
|
VIEW RECORD |
| CVE-2026-90781 |
Product identification pending
Reporter: DISCLOSURE
|
4.8
MEDIUM
|
VIEW RECORD |
| CVE-2026-80072 |
User Registration & Membership PATCH
Reporter: CONTACT
|
4.7
MEDIUM
|
VIEW RECORD |
| CVE-2026-90679 |
Product identification pending
Reporter: CVE
|
4.3
MEDIUM
|
VIEW RECORD |
| CVE-2026-88912 |
rtMedia for WordPress, BuddyPress and bbPress PATCH
Reporter: CONTACT
|
4.2
MEDIUM
|
VIEW RECORD |
| CVE-2026-86407 |
User Registration & Membership PATCH
Reporter: CONTACT
|
3.7
LOW
|
VIEW RECORD |
| CVE-2026-79300 |
sesam PATCH
Reporter: CVE
|
3.5
LOW
|
VIEW RECORD |
| CVE-2026-90773 |
procs
Reporter: DISCLOSURE
|
2.4
LOW
|
VIEW RECORD |
| CVE-2026-90487 |
xxl-job
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90488 |
xxl-job
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90490 |
vhr
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90491 |
gsubs
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90492 |
web_robot
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90499 |
vhr
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90500 |
vhr
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90501 |
vhr
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90507 |
WARP-Clash-API
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90511 |
OnlineBooks
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90518 |
Bank Locker Management System
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90519 |
Bank Locker Management System
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90520 |
Tourism-Management-System
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90521 |
Tourism-Management-System
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90525 |
Sales and Inventory System
Reporter: CNA
|
2.1
LOW
|
VIEW RECORD |
| CVE-2026-90489 |
xxl-job
Reporter: CNA
|
2
LOW
|
VIEW RECORD |
| CVE-2026-90496 |
Feng Office
Reporter: CNA
|
2
LOW
|
VIEW RECORD |
| CVE-2026-90497 |
Feng Office
Reporter: CNA
|
2
LOW
|
VIEW RECORD |
| CVE-2026-90502 |
ServerStatus
Reporter: CNA
|
2
LOW
|
VIEW RECORD |
| CVE-2026-90503 |
Ludashi
Reporter: CNA
|
1.8
LOW
|
VIEW RECORD |
| CVE-2026-90508 |
Ludashi
Reporter: CNA
|
1.8
LOW
|
VIEW RECORD |
| CVE-2026-90505 |
WARP-Clash-API
Reporter: CNA
|
1.3
LOW
|
VIEW RECORD |
| CVE-2026-90506 |
WARP-Clash-API
Reporter: CNA
|
1.3
LOW
|
VIEW RECORD |
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