5.5

CVE-2021-39357

Exploit

Leaky Paywall <= 4.16.5 Authenticated Stored Cross-Site Scripting

Leaky Paywall <= 4.16.5 Authenticated Stored Cross-Site Scripting

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.
Mögliche Gegenmaßnahme
Leaky Paywall: Update to version 4.16.6, or a newer patched version
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Zeen101 ≫ Leaky Paywall SwPlatformwordpress Version <= 4.16.5
Weitere Schwachstelleninformationen
SystemWordPress Plugin
≫
Produkt Leaky Paywall
Version *-4.16.5
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.89% 0.545
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 4.8 1.7 2.7
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
nvd@nist.gov 3.5 6.8 2.9
AV:N/AC:M/Au:S/C:N/I:P/A:N
security@wordfence.com 5.5 2.3 2.7
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://github.com/BigTiger2020/word-press/blob/main/Leaky%20Paywall.md
Third Party Advisory
Exploit
https://plugins.trac.wordpress.org/changeset/2615195/leaky-paywall/trunk/class.php
Patch
Third Party Advisory
https://wordfence.com/vulnerability-advisories/#CVE-2021-39357
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/2ad7fd59-e4a2-46e7-9232-d76255a6b0b4
Third Party Advisory