CVE-2024-5317: The Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'np1' parameter in al
CVE-2024-5317 is a medium-severity flaw (CVSS 6.4) affecting newsletter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'np1' parameter in all versions up to, and including, 8.3.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 78%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2024-06-05 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-5317?
newsletter: upgrade to 8.3.5. Exact commands for each OS are on this page.
Is CVE-2024-5317 being exploited?
CVE-2024-5317 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-5317 affect?
CVE-2024-5317 affects newsletter. Severity is medium (CVSS 6.4). The Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'np1' parameter in all versions up to, and including, 8.3.4 due to insufficient input sanitization and output escaping. This makes it possible for unau
How urgent is CVE-2024-5317?
Priority 28/100. No elevated risk signals yet.
Software pages
Related CVEs
- CVE-2025-3584 MEDIUM 4.8 UPGRADE The Newsletter WordPress plugin before 8.8.2 does not sanitise and escape some of its Subscription settings,
- CVE-2025-3582 MEDIUM 4.8 UPGRADE The Newsletter WordPress plugin before 8.85 does not sanitise and escape some of its Form settings, which cou
- CVE-2025-3581 MEDIUM 4.8 UPGRADE The Newsletter WordPress plugin before 8.8.5 does not validate and escape some of its Widget options before o
- CVE-2024-5674 MEDIUM 6.5 UPGRADE The Newsletter - API v1 and v2 addon plugin for WordPress is vulnerable to unauthorized subscribers management