CVE-2023-46210 MEDIUM

CVE-2023-46210: WordPress WC Captcha Plugin <= 1.4 is vulnerable to Cross Site Scripting (XSS)

Vendor Webcource
Product WC Captcha
Weakness CWE-79 · XSS
Published October 31, 2023
Last update April 28, 2026

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

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

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WebCource WC Captcha plugin <= 1.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

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

03Attacker Capabilities

Inject malicious JavaScript that runs in other users' browsers when they visit an affected page.

Potential impact on your site

04Site Impact

Administrators with high privileges could be tricked into executing malicious scripts that compromise other user accounts or site data.

Conditions required to exploit

05Prerequisites

Attacker must have administrator-level access and the victim must click a crafted link or visit a page containing the payload.

Key dates

06Disclosure timeline

October 31, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE