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affiliate-toolkit <= 3.4.2 — Unauthenticated Server-Side Request Forgery

CVE-2023-5877Published · Updated

Action summary

Affected: ≤3.4.2Update to 3.4.3 or newer

All remediation steps
Watch plugin
Severity
Medium6.5
CVSS
6.5
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-918 SSRF
Required access
No account needed
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

  1. Affected≤ 3.4.2
  2. Patched in3.4.3

Update to 3.4.3 or newer.

You are affected if you run ≤ 3.4.2. Version 3.4.3 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.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 3.4.3, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. 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 Yuchen Ji.

The affiliate-toolkit – WordPress Affiliate Plugin plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 3.4.2 via the affiliate-toolkit-starter/tools/atkp_imagereceiver.php endpoint. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in affiliate-toolkit – Multi-Network Affiliate & Amazon Product Display

All 20
More vulnerabilities in affiliate-toolkit – Multi-Network Affiliate & Amazon Product Display
SeverityVulnerabilityCVEPublished
High7.5Authenticated (Contributor+) Arbitrary File Upload via 'atkp_product_largeimageurl' Parameter
≤3.9.2Update to 3.9.3
CVE-2026-111255
High7.2Unauthenticated Stored Cross-Site Scripting via 'atkp_product_producturl' Parameter
≤3.9.2Update to 3.9.3
CVE-2026-111314
Medium4.9Authenticated (Editor+) SQL Injection
≤3.8.8Update to 3.8.9
CVE-2026-110179
High8.8Authenticated (Contributor+) Remote Code Execution
<3.9.1Update to 3.9.1
CVE-2026-86787
Medium4.9Authenticated (Administrator+) SQL Injection
≤3.9.1Update to 3.9.2
CVE-2026-42721

Same weakness (SSRF)

All SSRF
Other SSRF vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 6.5

  2. 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.

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