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  4. CVE 2026 66584 wordpress 12 step meeting list plugin 31916 cross
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Back to active CVEs
High · CVSS 7.1CVE-2026-66584

WordPress 12 Step Meeting List plugin <= 3.19.16 - Cross Site Scripting (XSS) vulnerabilityCVE-2026-66584

Answer in brief

CVE-2026-66584 records a High severity (CVSS 7.1) vulnerability in WordPress 12 Step Meeting List plugin <= 3.19.16 - Cross Site Scripting (XSS) vulnerability. The current sources do not mark it as known exploited. The current feed maps Code for Recovery/12-step-meeting-list (generic), Code for Recovery/12 Step Meeting List (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 Aug 24, 2026Updated Aug 24, 2026Source checked Oct 8, 2026First seen by HOL Aug 24, 2026Material review Aug 24, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
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 7.1. 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 Code for Recovery/12-step-meeting-list (generic), Code for Recovery/12 Step Meeting List (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Code for Recovery/12-step-meeting-listgeneric>=n/a <=3.19.16Not reported
Code for Recovery/12 Step Meeting Listgenericn/aNot reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Code for Recovery/12-step-meeting-list, Code for Recovery/12 Step Meeting List.
  2. 2Review the reported fix. Source-reported solution: Update the WordPress 12 Step Meeting List Plugin to the latest available version (at least 3.19.17).

Evidence timeline and material changes

  1. Published upstream

    Aug 24, 2026

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

  2. Source modified

    Aug 24, 2026

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

  3. First seen by HOL

    Aug 24, 2026

Sources and claim methodology

  • Source referencepatchstack.com
Upstream source description

Unauthenticated Cross Site Scripting (XSS) in 12 Step Meeting List <= 3.19.16 versions.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Obsidian Desktop < 1.14.0 RCE via Slides Plugin MarkdownAlso CWE-79
  • Obsidian Desktop < 1.14.0 RCE via MathJax Safe Filter BypassAlso CWE-79
  • mk-oracle: Local privilege escalation via malicious Oracle Instant ClientSame generic ecosystem
  • WordPress MainWP Child plugin <= 6.2.1 - Deserialization of untrusted data vulnerabilitySame generic ecosystem
  • HP Sure Click Kernel Buffer OverflowSame generic ecosystem
  • Zimbra Collaboration Suite EWS Extension Authorization Bypass via Crafted Composite Folder/Item IdentifierSame generic ecosystem

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 8, 2026
References
1 linked source
Open source record