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  4. CVE 2026 66619 wordpress newsletters plugin 418 sql injection
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Back to active CVEs
High · CVSS 7.6CVE-2026-66619

WordPress Newsletters plugin <= 4.18 - SQL Injection vulnerabilityCVE-2026-66619

Answer in brief

CVE-2026-66619 records a High severity (CVSS 7.6) vulnerability in WordPress Newsletters plugin <= 4.18 - SQL Injection vulnerability. The current sources do not mark it as known exploited. The current feed maps Tribulant Software/Newsletters (generic), Tribulant Software/newsletters-lite (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 17, 2026Updated Sep 19, 2026Source checked Nov 1, 2026First seen by HOL Sep 17, 2026Material review Sep 19, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.6
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.6. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Tribulant Software/Newsletters (generic), Tribulant Software/newsletters-lite (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Tribulant Software/Newslettersgenericn/aNot reported
Tribulant Software/newsletters-litegeneric>=n/a <=4.18Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Tribulant Software/Newsletters, Tribulant Software/newsletters-lite.
  2. 2Review the reported fix. Source-reported solution: Update the WordPress Newsletters Plugin to the latest available version (at least 4.18.1).

Evidence timeline and material changes

  1. Published upstream

    Sep 17, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 17, 2026

Sources and claim methodology

  • Source referencepatchstack.com
Upstream source description

Administrator SQL Injection in Newsletters <= 4.18 versions.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WordPress BookIt plugin <= 2.6.0.6 - SQL Injection vulnerabilityAlso CWE-89

Record context

Vulnerability class
SQL Injection
EPSS
Not reported
CWE IDs
CWE-89
Source
CVE List V5
Source checked
Nov 1, 2026
References
1 linked source
Open source record