CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
What the vulnerability does
The Intl DateTime Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘date’ parameter in all versions up to, and including, 1.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Explanation of Vulnerability in Simple Terms
The Intl DateTime Calendar component contains a cross-site scripting (XSS) vulnerability that allows authenticated users to inject malicious scripts affecting other users. The vulnerability exists in versions up to 1.0.1 and can impact the confidentiality and integrity of user data. Site administrators should update to a version newer than 1.0.1 when available.
What an attacker can do
Inject malicious scripts that execute in other users' browsers and steal or modify their data.
Potential impact on your site
Authenticated users can inject scripts affecting other users' sessions and data integrity across the site.
Conditions required to exploit
Attacker must have a low-privilege user account on the site; no user interaction required.
Key dates
External resources
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