CVE-2023-4772
Last modified
CVE-2023-4772 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Thenewsletterplugin | Newsletter | <= 7.8.9 |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/87da5300-1add-44fc-a3e0-e8912f946c84?source=cvePatch, Third Party Advisory
- https://www.wordfence.com/threat-intel/vulnerabilities/id/87da5300-1add-44fc-a3e0-e8912f946c84?source=cvePatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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