Cyber Resilience

CVE-2023-36520

Medium

Published: 20 December 2023

Published
20 December 2023
Modified
28 April 2026
KEV Added
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Patch
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CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
EPSS Score 0.0006 17.8th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-36520 is a medium-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Zackgrossbart Editorial Calendar. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 17.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-639

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

zackgrossbart
editorial calendar
≤ 3.8.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AC-24 Access Control Decisions
addresses: CWE-639

Per-request decision making makes it harder to bypass authorization using user-controlled keys without proper validation in the decision process.

AC-3 Access Enforcement
addresses: CWE-639

Consistent enforcement of approved authorizations makes bypassing via user-controlled keys ineffective.

References