What the vulnerability does
01Description
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WebCource WC Captcha plugin <= 1.4 versions.
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
Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WebCource WC Captcha plugin <= 1.4 versions.
Explanation of Vulnerability in Simple Terms
WC Captcha versions 1.4 and earlier contain a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically clicking a malicious 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 visit an affected page.
Potential impact on your site
Administrators with high privileges could be tricked into executing malicious scripts that compromise other user accounts or site data.
Conditions required to exploit
Attacker must have administrator-level access and the victim must click a crafted link or visit a page containing the payload.
Key dates
External resources
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