JSON API User <= 4.1.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'content' Parameter
medium
The JSON API User plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'content' parameter of the post_comment API endpoint in versions up to, and including, 4.1.0 This is due to insufficient input sanitization in the post_comment() function, which passes the attacker-controlled comment_content val...
- CVSS:
- 6.4
- Affected:
- up to 4.1.0
- Fixed in:
- 4.1.2
- Disclosed:
- Jul 2, 2026
CVE-2026-9626 on NVD →
JSON API User <= 3.9.3 - Unauthenticated Privilege Escalation
critical
The JSON API User plugin for WordPress is vulnerable to privilege escalation in all versions up to, and including, 3.9.3. This is due to improper controls on custom user meta fields. This makes it possible for unauthenticated attackers to register as administrators on the site. The plugin requires the JSON API plugin t...
- CVSS:
- 9.8
- Affected:
- up to 3.9.3
- Fixed in:
- 3.9.4
- Disclosed:
- Jul 10, 2024
CVE-2024-6624 on NVD →
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