CVE-2026-3018Public exploitNetwork attack vector

Unauthenticated database disclosure via unprepared shortcode query

Published Jun 10, 2026 · Updated Jun 10, 2026

Time-based SQL injection in Tribulant Software Newsletters 4.13 and earlier allows remote attackers to read WordPress database data. The newsletters_management shortcode inserts the unescaped wpmlsubscriber_id value into an SQL query without using $wpdb->prepare() parameters. No authentication or user interaction is required; crafted requests can append time-delay queries and extract sensitive database values.

CVSS severity7.5
High
EPSS probability1.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Time-based SQL injection in Tribulant Software Newsletters 4.13 and earlier allows remote attackers to read WordPress database data. The newsletters_management shortcode inserts the unescaped wpmlsubscriber_id value into an SQL query without using $wpdb->prepare() parameters. No authentication or user interaction is required; crafted requests can append time-delay queries and extract sensitive database values.

The record

CVE
CVE-2026-3018
Published
Jun 10, 2026
Updated
Jun 10, 2026
Vendor
Tribulant Software
Product
Newsletters
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=4.13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Tribulant Software · Newslettersversion=0 <=4.13

Published CVSS scores

7.5WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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