medium5.5
CVE-2021-39357
The Leaky Paywall WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via the ~/class.php file …
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Zeen101 | Leaky Paywall | through 4.16.5 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/BigTiger2020/word-press/blob/main/Leaky%20Paywall.md
- https://plugins.trac.wordpress.org/changeset/2615195/leaky-paywall/trunk/class.php
- https://wordfence.com/vulnerability-advisories/#CVE-2021-39357
- https://github.com/BigTiger2020/word-press/blob/main/Leaky%20Paywall.md
- https://plugins.trac.wordpress.org/changeset/2615195/leaky-paywall/trunk/class.php
- https://wordfence.com/vulnerability-advisories/#CVE-2021-39357