CVE-2023-40560

MEDIUM 4.8CVE-2023-40560 · Published 06/09/2023 · updated 17/06/2026

In short

CVE-2023-40560 is a MEDIUM (CVSS 4.8) vulnerability affecting schedule posts calendar (toolstack).
Chance of exploitation in the next 30 days (EPSS): 0.37%, higher than 31.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
schedule posts calendar toolstack	`≤ 5.2`	No fix yet

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Greg Ross Schedule Posts Calendar plugin <= 5.2 versions.