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CVE-2023-5877· NVD / CVE Program· CNA WPScan

affiliate-toolkit < 3.4.3 - Unauthenticated SSRF

The affiliate-toolkit WordPress plugin before 3.4.3 lacks authorization and authentication for requests to it's affiliate-toolkit-starter/tools/atkp_imagereceiver.php endpoint, allowing unauthenticated visitors to make requests to arbitrary URL's, including RFC1918 private addresses, leading to a Server Side Request Forgery (SSRF) issue.

CriticalCVSS 9.8 · v3.1—No exploit Fix available
Published
Jan 1, 2024
Updated
Jun 17, 2026
EPSS
0.9% · 58th percentile
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JSON

Action score

39

Monitor

Low priority for now.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.9%

CISA SSVC decision

Exploitation
proof of concept
Automatable
yes
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
servitaffiliate-toolkit

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • servit affiliate-toolkitbefore 3.4.3

Versions reported by the vendor

Affected version ranges reported by the assigning authority (WPScan). Independent of NVD's CPE analysis and usually ahead of it.

  • Unknown affiliate-toolkit

    • before 3.4.3affected · semver

Same product

servit: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-46231WordPress affiliate-toolkit plugin <= 3.7.3 - Cross Site Request Forgery (CSRF) Vulnerability
    35Monitor
  • CVE-2024-1851affiliate-toolkit – WordPress Affiliate Plugin <= 3.5.4 - Missing Authorization via atkp_create_list
    26Monitor
  • CVE-2023-45105WordPress affiliate-toolkit – WordPress Affiliate Plugin Plugin <= 3.3.9 is vulnerable to Open Redirection
    24Monitor
  • CVE-2023-46086WordPress affiliate-toolkit – WordPress Affiliate Plugin Plugin <= 3.4.3 is vulnerable to Cross Site Scripting (XSS)
    24Monitor
  • CVE-2023-23786WordPress affiliate-toolkit – WordPress Affiliate Plugin Plugin <= 3.3.3 is vulnerable to Cross Site Scripting (XSS)
    21Monitor
  • CVE-2024-2298affiliate-toolkit – WordPress Affiliate Plugin <= 3.5.4 - Missing Authorization via atkp_import_product
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Unknown affiliate-toolkit3.4.3Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2024-185167 days apartaffiliate-toolkit – WordPress Affiliate Plugin <= 3.5.4 - Missing Authorization via atkp_create_list
    26Monitor
  • CVE-2024-229867 days apartaffiliate-toolkit – WordPress Affiliate Plugin <= 3.5.4 - Missing Authorization via atkp_import_product
    17Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-862 · Missing Authorization

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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