affiliate-toolkit – Multi-Network Affiliate & Amazon Product Display < 3.9.1 — Authenticated (Contributor+) Remote Code Execution
CVE-2026-86787Published · Updated Action summary
Affected: <3.9.1Update to 3.9.1 or newer
All remediation steps- Severity
- High8.8
- CVSS
- 8.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
affiliate-toolkit – Multi-Network Affiliate & Amazon Product Display affiliate-toolkit-starter
- Affected< 3.9.1
- Patched in3.9.1
Update to 3.9.1 or newer.
You are affected if you run < 3.9.1. Version 3.9.1 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under affiliate-toolkit – Multi-Network Affiliate & Amazon Product Display.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 3.9.1, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch affiliate-toolkit – Multi-Network Affiliate & Amazon Product Display to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Artus KG.
The affiliate-toolkit – Multi-Network Affiliate & Amazon Product Display plugin for WordPress is vulnerable to Remote Code Execution in all versions up to 3.9.1. This is due to insufficient validation of user supplied input before it is executed. This makes it possible for authenticated attackers, with contributor-level access and above, to execute arbitrary code on the server.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in affiliate-toolkit – Multi-Network Affiliate & Amazon Product Display
All 20| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.5 | Authenticated (Contributor+) Arbitrary File Upload via 'atkp_product_largeimageurl' Parameter ≤3.9.2Update to 3.9.3 | CVE-2026-111255 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via 'atkp_product_producturl' Parameter ≤3.9.2Update to 3.9.3 | CVE-2026-111314 | |
| Medium4.9 | Authenticated (Editor+) SQL Injection ≤3.8.8Update to 3.8.9 | CVE-2026-110179 | |
| Medium4.9 | Authenticated (Administrator+) SQL Injection ≤3.9.1Update to 3.9.2 | CVE-2026-42721 | |
| Medium4.9 | Authenticated (Administrator+) SQL Injection via 'orderby' Parameter ≤3.8.8Update to 3.8.9 | CVE-2026-12743 |
- High7.5Authenticated (Contributor+) Arbitrary File Upload via 'atkp_product_largeimageurl' Parameter
≤3.9.2Update to 3.9.3
- High7.2Unauthenticated Stored Cross-Site Scripting via 'atkp_product_producturl' Parameter
≤3.9.2Update to 3.9.3
- Medium4.9Authenticated (Editor+) SQL Injection
≤3.8.8Update to 3.8.9
- Medium4.9Authenticated (Administrator+) SQL Injection
≤3.9.1Update to 3.9.2
- Medium4.9Authenticated (Administrator+) SQL Injection via 'orderby' Parameter
≤3.8.8Update to 3.8.9
Timeline
CVE published
Severity high, CVSS 8.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.