CVE-2021-39340
Description
The Notification WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/src/classes/Utils/Settings.php file which made it possible for attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 7.2.4. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
CWE
- CWE-79 — CWE-79 Cross-site Scripting (XSS)
Affected
- Notification – Custom Notifications and Alerts for WordPress / Notification – Custom Notifications and Alerts for WordPress — v=7.2.4 ≤7.2.4 [affected]
CVSS
- 3.1 score=4.8 severity=MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
References
- https://github.com/BigTiger2020/word-press/blob/main/Notification.md x_refsource_MISC
- https://wordfence.com/vulnerability-advisories/#CVE-2021-39340 x_refsource_MISC
- https://plugins.trac.wordpress.org/browser/notification/tags/7.2.4/src/classes/Utils/Settings.php#L167 x_refsource_MISC
Source
cvelistV5-main/cves/2021/39xxx/CVE-2021-39340.json