SendPress Newsletters: SQL injection

No attacker login is required. Attacker-controlled input can change database-query semantics and expose database contents. The vulnerable query, endpoint and parameter are undisclosed. The supplied vector reports high confidentiality impact, limited availability impact. The vector requires no victim interaction. Affected versions: <= 1.26.1.20. No fixed release is confirmed. The current official release could not be verified.

CVE / CNA score 9.3 CVSS 3.1 · audit@patchstack.com

NVD score Pending NVD has not published its own CVSS assessment.

Component: SendPress Newsletters
Plugin slug: sendpress
Affected: n/a through 1.26.1.20
Safe version: See mitigation notes
Published: Oct 06, 2026
Weakness: CWE-89 — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

This CVE was published Oct 06, 2026 and is one of 9 known issues for this plugin.

What to do

Update, patch or deactivate.

No fixed release is confirmed. Disable the affected feature or deactivate the component pending a confirmed vendor fix. Application-level remediation: Use parameterized queries for values and strict allowlists for any dynamic identifiers; authorize the request before executing the query.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

Unauthenticated SQL Injection in SendPress Newsletters <= 1.26.1.20 versions.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

References

Primary and upstream sources

Data attribution: This product uses the NVD API but is not endorsed or certified by the NVD.

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