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Back to active CVEs
Medium · CVSS 4.8CVE-2026-84220

Kirki < 6.3.2 - Unauthenticated Arbitrary Shortcode Execution via Comments CollectionCVE-2026-84220

Answer in brief

CVE-2026-84220 records a Medium severity (CVSS 4.8) vulnerability in Kirki < 6.3.2 - Unauthenticated Arbitrary Shortcode Execution via Comments Collection. The current sources do not mark it as known exploited. The current feed maps Unknown/Kirki (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 Oct 9, 2026Updated Oct 9, 2026Source checked Oct 9, 2026First seen by HOL Oct 9, 2026Material review Oct 9, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 4.8. 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 Unknown/Kirki (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Unknown/Kirkigeneric>=0 <6.3.26.3.2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Unknown/Kirki.
  2. 2Review the reported fix. Update Unknown/Kirki to 6.3.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 9, 2026

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

  2. Source modified

    Oct 9, 2026

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

  3. First seen by HOL

    Oct 9, 2026

Sources and claim methodology

  • Source referencewpscan.com
Upstream source description

The Kirki WordPress plugin before 6.3.2 does not prevent shortcodes held in comments from being executed when it renders them, and displays comments regardless of their moderation status, allowing unauthenticated visitors to run shortcodes registered on the site and to read private custom fields of the page being viewed.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Gvisor-tap-vsock: gvisor-tap-vsock: unathenticated arbitrary file deletion on the host via /exposeSame generic ecosystem
  • WordPress JetBlocks For Elementor plugin <= 1.5.2.1 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • Packet CTR reports a full success length after the counter is exhaustedSame generic ecosystem
  • WordPress Traveler theme <= 3.2.9 - SQL Injection vulnerabilitySame generic ecosystem
  • WordPress Gloria Admin Panel plugin <= 1.3 - Reflected Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Total Donations plugin <= 2.0.5 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-74
Source
CVE List V5
Source checked
Oct 9, 2026
References
1 linked source
Open source record