CVE-2023-36520

WordPress Editorial Calendar Plugin <= 3.7.12 is vulnerable to Insecure Direct Object References (IDOR)

5.4 Medium

Authorization Bypass Through User-Controlled Key vulnerability in MarketingFire Editorial Calendar.This issue affects Editorial Calendar: from n/a through 3.7.12.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: Low

Exploit likelihood

0.43%Up 0.4 points since Dec 21, 2023

What each source reports

CVE List Score used 5.4

WordPress Editorial Calendar Plugin <= 3.7.12 is vulnerable to Insecure Direct Object References (IDOR)

Authorization Bypass Through User-Controlled Key vulnerability in MarketingFire Editorial Calendar.This issue affects Editorial Calendar: from n/a through 3.7.12.

Record: CVE-2023-36520
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Weakness: CWE-639
Updated: 2026-11-02

EUVDEUVD-2023-40469 5.4

Authorization Bypass Through User-Controlled Key vulnerability in MarketingFire Editorial Calendar.This issue affects Editorial Calendar: from n/a through 3.7.12.

Record: EUVD-2023-40469
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9rvm-xpxj-3chj 5.4

Authorization Bypass Through User-Controlled Key vulnerability in MarketingFire Editorial...

Authorization Bypass Through User-Controlled Key vulnerability in MarketingFire Editorial Calendar.This issue affects Editorial Calendar: from n/a through 3.7.12.

Record: GHSA-9rvm-xpxj-3chj
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Weakness: CWE-639
Updated: 2026-11-02

NVD 5.4

Authorization Bypass Through User-Controlled Key vulnerability in MarketingFire Editorial Calendar.This issue affects Editorial Calendar: from n/a through 3.7.12.

Record: CVE-2023-36520
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-639
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-36520 is a medium vulnerability (CVSS 5.4) in Marketing Fire Editorial Calendar, published December 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. No source names a fixed version.