CVE-2026-57711
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk13th percentile - higher than 13% of all known CVEs
Summary
The SupportCandy plugin for WordPress contains a Stored Cross-Site Scripting (XSS) vulnerability in versions up to and including 3.4.8. The issue is due to improper input neutralization during web page generation.
Risk Assessment
An attacker can inject malicious JavaScript code that executes in other users' browsers, potentially leading to session theft, account takeover, or data leakage.
Recommendation
Immediately update the SupportCandy plugin to the latest available version that fixes this vulnerability. If no update is available, consider temporarily disabling the plugin.
Other vulnerabilities in SupportCandy
See all- CVE-2026-94539Medium
The SupportCandy plugin for WordPress up to version 3.5.3 is vulnerable to time-based SQL injection via the 'sort_by' parameter. Authenticated attackers with appropriate permissions can modify SQL queries and extract sensitive data from the database.
- CVE-2026-94378Medium
The SupportCandy plugin for WordPress up to version 3.5.3 is vulnerable to stored XSS via the 'name' parameter. Authenticated attackers with subscriber-level access can inject scripts that execute when a user visits the page.
- CVE-2026-81022Medium
The SupportCandy WordPress plugin before version 3.5.3 does not validate a submitted per-ticket authorization code before disclosing the real code to the requester, allowing unauthenticated users to read the contents of any support ticket.
- CVE-2026-81021Medium
The SupportCandy WordPress plugin before version 3.5.3 does not perform an authorization check on one of its support-ticket attachment download paths, allowing unauthenticated attackers to read protected customer-uploaded attachments by enumerating sequential attachment identifiers.
- CVE-2026-73350High
Unauthenticated Broken Authentication in SupportCandy versions up to 3.5.1.
- CVE-2026-54826High
The SupportCandy plugin version 3.4.6 and earlier contains an Insecure Direct Object References (IDOR) vulnerability for subscribers. This allows unauthorized access to other users' data.
Original NVD description (English source)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PSM Plugins SupportCandy supportcandy allows Stored XSS.This issue affects SupportCandy: from n/a through <= 3.4.8.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS