What’s Vulnerable › Vulnerabilities

CVE-2021-24563: Frontend Uploader <= 1.3.2 - Unauthenticated Stored Cross-Site Scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 26.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-11 · updated 2026-06-17
• Weakness: CWE-79

Description

The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly

Affected products

• Frontend Uploader: through 1.3.2

References

• http://packetstormsecurity.com/files/165515/WordPress-Frontend-Uploader-1.3.2-Cross-Site-Scripting.html
• https://wpscan.com/vulnerability/e53ef41e-a176-4d00-916a-3a03835370f1
• http://packetstormsecurity.com/files/165515/WordPress-Frontend-Uploader-1.3.2-Cross-Site-Scripting.html
• https://wpscan.com/vulnerability/e53ef41e-a176-4d00-916a-3a03835370f1

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