# CVE-2026-39795: SendPress Newsletters unauthenticated SQL injection

Source: https://junglewise.ai/threats/cve-2026-39795-unauthenticated-sql-injection-in-sendpress-newsletters-1-26-1-20  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-39795 · Severity: critical · CVSS 9.3 · Published 2026-10-06

SendPress Newsletters is a WordPress plugin that manages email campaigns and subscriber lists. An unauthenticated attacker can exploit a SQL injection vulnerability to read sensitive data from the website's database, including subscriber information, email content, and site configuration, without needing to log in first.

Technologies: [SendPress Newsletters](https://junglewise.ai/threats/technologies/sendpress-newsletters). Vendors: [SendPress](https://junglewise.ai/threats/vendors/sendpress).

## Quick answers

**Is CVE-2026-39795 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-39795 being exploited in the wild.

**How severe is CVE-2026-39795?** Critical severity, with a CVSS score of 9.3, published 6 October 2026.

**Which products and versions are affected?** SendPress Newsletters 1.26.1.20 and earlier.

**Is there a fix for CVE-2026-39795?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-39795 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-39795?** Check whether you run SendPress Newsletters at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This is an unauthenticated SQL injection vulnerability in SendPress Newsletters versions 1.26.1.20 and below. The vulnerability allows an attacker to inject malicious SQL queries through the plugin without prior authentication, likely via an exposed query parameter or input field in the WordPress admin interface accessible to unauthenticated users. An attacker can retrieve or modify arbitrary data from the WordPress database.

## Affected products

- SendPress Newsletters 1.26.1.20 and earlier

## Timeline

- 2026-10-06: disclosed: Published on NVD

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/sendpress/vulnerability/wordpress-sendpress-newsletters-plugin-1-26-1-20-sql-injection-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/sendpress/vulnerability/wordpress-sendpress-newsletters-plugin-1-26-1-20-sql-injection-vulnerability?_s_id=cve)

## Related threats

- [SendPress Newsletters plugin SQL injection in subscriberid parameter](https://junglewise.ai/threats/cve-2026-93855-the-sendpress-newsletters-plugin-for-wordpress-is-vulnerable-to)
- [SendPress Newsletters WordPress plugin hardcoded token information disclosure](https://junglewise.ai/threats/cve-2026-92990-the-sendpress-newsletters-wordpress-plugin-through-1-26-1-20)
- [SendPress Newsletters capability check bypass in newsletter management](https://junglewise.ai/threats/cve-2026-92989-the-sendpress-newsletters-wordpress-plugin-through-1-26-1-20-does)