CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
What the vulnerability does
Authenticated Stored Cross-Site Scripting (XSS) in Simple Event Planner plugin <= 1.5.4 allows attackers with contributor or higher user roles to inject the malicious script by using vulnerable parameter &custom[add_seg][].
Explanation of Vulnerability in Simple Terms
The Simple Event Planner WordPress plugin versions 1.5.4 and 1.5.5 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious JavaScript that executes in the browsers of other users who view affected pages. The vulnerability requires user interaction and can affect the integrity of the site's content.
What an attacker can do
Inject malicious JavaScript that runs in other users' browsers when they view the plugin's pages.
Potential impact on your site
Authenticated users can deface content or steal data from other users' sessions without admin intervention.
Conditions required to exploit
Attacker must have a low-privilege WordPress account and the victim must visit a page containing the injected content.
Key dates
External resources
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