Vulnerability Description
The Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'newsletter_form' shortcode in versions up to, and including, 7.8.9 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Thenewsletterplugin | Newsletter | <= 7.8.9 |
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/newsletter/tags/7.8.9/subscription/suProduct
- https://plugins.trac.wordpress.org/changeset/2955097/newsletter#file21Patch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/87da5300-1add-44fc-a3ePatchThird Party Advisory
- https://plugins.trac.wordpress.org/browser/newsletter/tags/7.8.9/subscription/suProduct
- https://plugins.trac.wordpress.org/changeset/2955097/newsletter#file21Patch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/87da5300-1add-44fc-a3ePatchThird Party Advisory
FAQ
What is CVE-2023-4772?
CVE-2023-4772 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'newsletter_form' shortcode in versions up to, and including, 7.8.9 due to insufficient input sanitization and ...
How severe is CVE-2023-4772?
CVE-2023-4772 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-4772?
Check the references section above for vendor advisories and patch information. Affected products include: Thenewsletterplugin Newsletter.