TI-2024-04939 Aliases CVE-2024-5317 GHSA-mjwc-4vr5-7xr3

Newsletter <= 8.3.4 - Unauthenticated Stored Cross-Site Scripting via np1

LOW 28CWE-79Published 2024-06-05 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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 it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00291 21st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
satollo	Newsletter – Send awesome emails from WordPress	up to 8.3.4	—	No fix listed	CNA

Newsletter – Send awesome emails from WordPress Vendorsatollo Affected up to 8.3.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:thenewsletterplugin:newsletter::::::wordpress::*	before 8.3.5	Vulnerable	Thenewsletterplugin

cpe:2.3:a:thenewsletterplugin:newsletter:*:*:*:*:*:wordpress:*:* Versions before 8.3.5 Vulnerable ·Thenewsletterplugin

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-5317
2026-10-03 Alias added: GHSA-mjwc-4vr5-7xr3

References

Patch 1

https://plugins.trac.wordpress.org/changeset/3095002/newsletter

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/4876e05e-efa6-46c6-832b-9ecc42934998?source=cve

TI-2021-06784 Giveaway <= 1.2.2 - Authenticated SQL Injection CVSS 3.1HIGH 7.2
TI-2024-12920 Head, Footer and Post Injections <= 3.3.0 - Authenticated (Administrator+) PHP Code Injection in Multisite Environments CVSS 3.1HIGH 7.2
TI-2026-65981 Newsletter <= 9.4.0 - Unauthenticated Stored Cross-Site Scripting via 'np1' Custom Field Parameter CVSS 3.1HIGH 7.2
TI-2026-62415 Insufficiently protected credentials in satollo Newsletter – Send awesome emails from… CVSS 3.1MEDIUM 5.3
TI-2023-04399 Newsletter <= 7.8.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVSS 3.1MEDIUM 6.4
TI-2026-61829 Newsletter <= 9.3.8 - Reflected Cross-Site Scripting via 'nn' Parameter CVSS 3.1MEDIUM 6.1

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences