CVE-2026-3018
HighExploitedThe Newsletters plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpmlsubscriber_id’ parameter in all versions up to, and including, 4.13 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL…
Published Jun 10, 2026 · Updated Jul 23, 2026 · Also known as 8e2672b5-64a2-4b30-b0be-2a9303d46ac1
Key Facts
Patch immediately- CVE-2026-3018 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting newsletters-lite (wordpress-plugin), Newsletters.
- It is exploited in the wild, listed in Industry KEV feed since Jun 10, 2026. No public exploit code is known.
- EPSS estimates a 1.5% probability of exploitation in the next 30 days.
- Fixed versions are available, including newsletters-lite 4.14.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
1.5%
Higher than 74.4% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
None known
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Description
The Newsletters plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpmlsubscriber_id’ parameter in all versions up to, and including, 4.13 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jun 10, 2026 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| newsletters-litewordpress-plugin | See advisory | 4.14 |
| Newsletters | See advisory | n/a |
Patched Releases
newsletters-lite
4.14
Timeline
Publicly disclosed
Jun 10, 2026
Added to Industry KEV feed
Jun 10, 2026
Last updated
Jul 23, 2026
Weakness Type
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
References
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/8e2672b5-64a2-4b30-b0be-2a9303d46ac1?source=api-prod
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/8e2672b5-64a2-4b30-b0be-2a9303d46ac1?source=api-scan
- exploitVulnCheck exploitation report
- otherhttps://plugins.trac.wordpress.org/browser/newsletters-lite/tags/4.11/wp-mailinglist-plugin.php#L6040
- otherhttps://plugins.trac.wordpress.org/changeset/3566485/newsletters-lite
FAQ
Common Questions.
The Newsletters plugin for WordPress is vulnerable to time-based SQL Injection via the ‘wpmlsubscriber_id’ parameter in all versions up to, and including, 4.13 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query.
Affected: newsletters-lite (wordpress-plugin); Newsletters. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jun 10, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including newsletters-lite 4.14.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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