MEDIUM · 4.8

CVE-2021-24604

The Availability Calendar WordPress plugin before 1.2.2 does not sanitise or escape its Category Names before outputting them in page/post where the associated shortcode is embed, allowing high privil...

Vulnerability Description

The Availability Calendar WordPress plugin before 1.2.2 does not sanitise or escape its Category Names before outputting them in page/post where the associated shortcode is embed, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed

CVSS Score

4.8

MEDIUM

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

Affected Products

VendorProductVersions
OffshorewebmasterAvailability Calendar< 1.2.2

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-24604?

CVE-2021-24604 is a vulnerability with a CVSS score of 4.8 (MEDIUM). The Availability Calendar WordPress plugin before 1.2.2 does not sanitise or escape its Category Names before outputting them in page/post where the associated shortcode is embed, allowing high privil...

How severe is CVE-2021-24604?

CVE-2021-24604 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-24604?

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