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Back to active CVEs
Critical · CVSS 9.8CVE-2026-104398

WordPress AFFI – Affiliate Marketing for WooCommerce plugin <= 1.0.10 - PHP Object Injection vulnerabilityCVE-2026-104398

Answer in brief

CVE-2026-104398 records a Critical severity (CVSS 9.8) vulnerability in WordPress AFFI – Affiliate Marketing for WooCommerce plugin <= 1.0.10 - PHP Object Injection vulnerability. The current sources do not mark it as known exploited. The current feed maps VillaTheme/affi-affiliate-marketing-for-woo (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 10, 2026Updated Oct 10, 2026Source checked Oct 10, 2026First seen by HOL Oct 10, 2026Material review Oct 10, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.8. 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 VillaTheme/affi-affiliate-marketing-for-woo (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
VillaTheme/affi-affiliate-marketing-for-woogeneric>=0 <=1.0.10Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for VillaTheme/affi-affiliate-marketing-for-woo.
  2. 2Review the reported fix. Source-reported solution: Update the WordPress AFFI – Affiliate Marketing for WooCommerce plugin to the latest available version (at least 1.0.11).

Evidence timeline and material changes

  1. Published upstream

    Oct 10, 2026

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

  2. Source modified

    Oct 10, 2026

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

  3. First seen by HOL

    Oct 10, 2026

Sources and claim methodology

  • Source referencepatchstack.com
Upstream source description

Deserialization of Untrusted Data vulnerability in VillaTheme AFFI – Affiliate Marketing for WooCommerce affi-affiliate-marketing-for-woo allows Object Injection.This issue affects AFFI – Affiliate Marketing for WooCommerce: from n/a through 1.0.10.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WordPress Slider by 10Web plugin <= 1.2.62 - PHP Object Injection vulnerabilityAlso CWE-502
  • WordPress Super Video Player plugin <= 1.8.13 - PHP Object Injection vulnerabilityAlso CWE-502
  • WordPress Tainacan plugin <= 1.3.0 - PHP Object Injection vulnerabilityAlso CWE-502
  • ExtUtils::Typemaps::STL::Vector versions before 1.05 for Perl allocate a 32 GiB array on an empty listSame generic ecosystem
  • WordPress Forminator plugin <= 1.57.3 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Thank You Page Customizer for WooCommerce plugin <= 1.2.3 - Content Injection vulnerabilitySame generic ecosystem

Record context

Vulnerability class
Deserialization
EPSS
Not reported
CWE IDs
CWE-502
Source
CVE List V5
Source checked
Oct 10, 2026
References
1 linked source
Open source record