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MEDIUM · 5.4

CVE-2021-24927

The My Calendar WordPress plugin before 3.2.18 does not sanitise and escape the callback parameter of the mc_post_lookup AJAX action (available to any authenticated user) before outputting it back in ...

Vulnerability Description

The My Calendar WordPress plugin before 3.2.18 does not sanitise and escape the callback parameter of the mc_post_lookup AJAX action (available to any authenticated user) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
My Calendar ProjectMy Calendar< 3.2.18

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2021-24927?

CVE-2021-24927 is a vulnerability with a CVSS score of 5.4 (MEDIUM). The My Calendar WordPress plugin before 3.2.18 does not sanitise and escape the callback parameter of the mc_post_lookup AJAX action (available to any authenticated user) before outputting it back in ...

How severe is CVE-2021-24927?

CVE-2021-24927 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-24927?

Check the references section above for vendor advisories and patch information. Affected products include: My Calendar Project My Calendar.