CVE-2022-36399 | WordPress Booked Plugin < 2.4.4 is vulnerable to Sensitive Data Exposure

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in BoxyStudio Booked - Appointment Booking for WordPress | Calendars.This issue affects Booked - Appointment Booking for WordPress | Calendars: from n/a before 2.4.4.

Published: 2023-12-28 Last update: 2026-04-28 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-36399 is rated Moderate Risk (45.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.59%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-36399

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.47% 0.59% +0.11%
2 2025-11-18 0.59% 0.47% -0.11%
3 2025-05-18 0.59%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-36399

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2022-36399

GitHub Security Advisory for CVE-2022-36399

GHSA-54wr-xmjg-j9mj · Severity: medium — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in BoxyStudio Booked -...

Affected software / configurations for CVE-2022-36399

Vendor Product Version Raw CPE
boxystudio booked < 2.4.4 cpe:2.3:a:boxystudio:booked:*:*:*:*:*:wordpress:*:*

References for CVE-2022-36399

cvelogic Threat Intelligence