CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
What the vulnerability does
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in ThemeNcode LLC TNC PDF viewer allows Stored XSS.This issue affects TNC PDF viewer: from n/a through 3.1.0.
Explanation of Vulnerability in Simple Terms
TNC PDF viewer through version 3.1.0 contains a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically clicking a crafted link—and can affect other users on the site. An attacker with high-level privileges can inject code that executes in victims' browsers, potentially stealing session data or performing actions on their behalf.
What an attacker can do
Inject malicious JavaScript that runs in other users' browsers when they interact with the affected component.
Potential impact on your site
Administrators with malicious intent can compromise other users' sessions or perform unauthorized actions affecting site security.
Conditions required to exploit
Attacker must have administrator-level access and the victim must click a malicious link or visit a crafted page.
Key dates
External resources
Related vulnerabilities
