CVE-2021-39357
Leaky Paywall <= 4.16.5 Authenticated Stored Cross-Site Scripting
mediumImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
5.5
CVSS Score
5.5
CVSS Score
medium
Severity
4.16.6
Patched in
827d
Time to patch
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.
CVSS Vector Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:NAttack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Low
Confidentiality
Low
Integrity
None
Availability
Technical Details
Affected versions
<=4.16.5PublishedOctober 18, 2021
Last updatedJanuary 22, 2024
Affected pluginleaky-paywall
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