vulnerability
WordPress Plugin: leaky-paywall: CVE-2021-39357: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:M/C:P/I:P/A:N) | Oct 18, 2021 | May 15, 2025 | May 15, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:M/C:P/I:P/A:N)
Published
Oct 18, 2021
Added
May 15, 2025
Modified
May 15, 2025
Description
The Leaky Paywall WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via the ~/class.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 4.16.5. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
Solution
leaky-paywall-plugin-cve-2021-39357
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