CVE-2023-40556
WordPress Schedule Posts Calendar Plugin <= 5.2 is vulnerable to Cross Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
WordPress Schedule Posts Calendar Plugin <= 5.2 is vulnerable to Cross Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.
- Record
CVE-2023-40556- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2023-45127
Cross-Site Request Forgery (CSRF) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.
- Record
EUVD-2023-45127- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4545-jvqf-cxg8
Cross-Site Request Forgery (CSRF) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5...
Cross-Site Request Forgery (CSRF) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.
- Record
GHSA-4545-jvqf-cxg8- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-352
- Updated
- 2026-11-02
NVD
Cross-Site Request Forgery (CSRF) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.
- Record
CVE-2023-40556- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-40556 is a medium vulnerability (CVSS 4.3) in Greg Ross Schedule Posts Calendar, published October 6, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.