CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
What the vulnerability does
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in N.O.U.S. Open Useful and Simple Event post allows Stored XSS.This issue affects Event post: from n/a through 5.8.6.
Explanation of Vulnerability in Simple Terms
Event post versions up to 5.8.6 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts into event posts. When other users view the affected post, the script executes in their browser, potentially allowing the attacker to steal session data or perform actions on their behalf. The vulnerability requires user interaction to trigger.
What an attacker can do
Inject malicious scripts into event posts that execute when other users view them.
Potential impact on your site
Attackers with contributor or subscriber access can compromise other users' sessions and perform unauthorized actions.
Conditions required to exploit
Authenticated account with low-level privileges; victim must view the affected post.
Key dates
External resources
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