CVE-2021-24604: Availability Calendar < 1.2.2 - Authenticated Stored Cross-Site Scripting
First published: Mon Sep 20 2021(Updated: )
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
Credit: contact@wpscan.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Steve Availability Calendar | <1.2.2 |
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Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-24604.
What is the affected software?
The affected software is the Availability Calendar WordPress plugin before version 1.2.2.
What is the severity of CVE-2021-24604?
The severity of CVE-2021-24604 is medium with a CVSS score of 4.8.
How does this vulnerability affect users?
This vulnerability allows high privilege users to perform Cross-Site Scripting (XSS) attacks even when the unfiltered_html is disallowed.
Is there a fix available for this vulnerability?
Yes, the fix for this vulnerability is to update the Availability Calendar WordPress plugin to version 1.2.2 or newer.
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- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/title
- agent/last-modified-date
- agent/weakness
- agent/severity
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/offshorewebmaster
- canonical/steve availability calendar