CVSS base score
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/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 jotis Blue Captcha blue-captcha allows Reflected XSS.This issue affects Blue Captcha: from n/a through <= 1.7.4.
Explanation of Vulnerability in Simple Terms
Blue Captcha versions 1.7.4 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—typically clicking a malicious link—and can affect other users viewing the compromised page. An attacker needs no authentication to exploit this flaw.
What an attacker can do
Inject malicious JavaScript that runs in users' browsers and steals session cookies, credentials, or performs actions on their behalf.
Potential impact on your site
Users visiting your site could have their accounts compromised or be redirected to phishing pages; your site's reputation may be damaged.
Conditions required to exploit
Victim must click a malicious link or visit a page containing the attacker's payload; no authentication required.
Key dates
External resources
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