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Affiliates Manager CVE-2026-52692

| EUVDEUVD-2026-36899 HIGH
Insertion of Sensitive Information Into Sent Data (CWE-201)
2026-06-15 Patchstack GHSA-xffp-qm85-j89r
7.5
CVSS 3.1 · Vendor: Patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Scan internet for WordPress sites
  2. Delivery
    Fingerprint Affiliates Manager plugin version
  3. Exploit
    Send unauthenticated request to vulnerable endpoint
  4. Execution
    Receive sensitive affiliate data in response
  5. Impact
    Aggregate and exfiltrate disclosed information

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Outbound data filtering
Exploitation Conditions

The target WordPress site must have the wp.insider Affiliates Manager plugin installed and activated at version 2.9.50 or earlier, and the site must be reachable over the network - typical of any public WordPress deployment. No authentication, no user interaction, and no non-default configuration is required per the CVSS vector (PR:N/UI:N/AC:L), so any internet-exposed site running the affected plugin is in scope. Limiting factors: the description does not specify which exact endpoint or data fields are exposed, so exploitation depends on knowing or reverse-engineering the vulnerable route (trivial once the patched diff or Patchstack advisory details are public); sites that have disabled the affected plugin feature or restricted /wp-admin/admin-ajax.php and /wp-json/ at the edge are not exploitable.

Impact

The CVSS vector (AV:N/AC:L/PR:N/UI:N/C:H/I:N/A:N) marks this as network-reachable, low-complexity, and fully unauthenticated with high confidentiality impact - a profile that makes mass scanning straightforward against any internet-exposed WordPress site running the plugin. No EPSS score, KEV listing, or POC was provided, so exploitation likelihood cannot be quantified from the supplied data, but Patchstack-disclosed WordPress plugin flaws of this class are commonly weaponized by automated scanners within weeks of disclosure. Conflicting/missing signals to note explicitly: the description says 'Sensitive Data Exposure' without naming which data is leaked (affiliate PII? payout details? API keys?), and the lower-bound affected version is not specified - only the upper bound '<= 2.9.50.' Treat as a real priority for any site running this plugin, but the absence of POC and KEV data means urgency is driven by the unauthenticated-network-C:H profile, not confirmed exploitation.

Exploit ScenarioDerived

An attacker scans the internet for WordPress sites running Affiliates Manager <= 2.9.50, then issues unauthenticated HTTP requests to a vulnerable plugin endpoint (likely an admin-ajax action or REST route) that returns sensitive affiliate data such as account details, PII, referral statistics, or payout information. The attacker harvests this data at scale across many sites and uses it for follow-on fraud, phishing of affiliates, or sale on data-broker markets - no user interaction or credentials required given the AV:N/AC:L/PR:N/UI:N vector.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 15, 2026

Unauthenticated sensitive data exposure in the Affiliates Manager WordPress plugin versions 2.9.50 and earlier allows remote attackers to retrieve confidential information without credentials. The CVSS 7.5 score (AV:N/AC:L/PR:N/UI:N) reflects high confidentiality impact with no integrity or availability effects, and no public exploit identified at time of analysis. Disclosed by Patchstack, the issue affects WordPress sites running the wp.insider Affiliates Manager plugin used to manage affiliate marketing programs.

RemediationAI

Patch available per vendor advisory - upgrade the Affiliates Manager plugin to a version newer than 2.9.50 as soon as the wp.insider release fixing this issue is published; consult the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/affiliates-manager/vulnerability/wordpress-affiliates-manager-plugin-2-9-50-sensitive-data-exposure-vulnerability for the exact fixed version. If immediate upgrade is not possible, compensating controls include deactivating the Affiliates Manager plugin entirely (trade-off: affiliate program functionality is offline), placing the affected WordPress site behind a WAF with virtual-patching rules from Patchstack or Wordfence targeting this CVE (trade-off: relies on signature coverage and adds an inline dependency), or restricting access to the plugin's admin-ajax actions and REST routes via web-server ACLs that limit which IPs may call the vulnerable endpoints (trade-off: may break legitimate affiliate signup or tracking flows). After patching, audit access logs for unusual GET/POST traffic to admin-ajax.php and /wp-json/ endpoints belonging to the plugin, and rotate any affiliate credentials or API keys that may have been disclosed.

Affected VersionsENISA

Affiliates Manager n/a ≤2.9.50

Affected Packages

euvd affiliates_manager no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Affiliates Manager is a WordPress plugin by wp.insider (CPE cpe:2.3:a:wp.insider:affiliates_manager) that handles affiliate registration, tracking, commissions, and payouts - meaning it stores PII, payment details, referral data, and affiliate account information. The root cause maps to CWE-201 (Insertion of Sensitive Information Into Sent Data), which typically arises when a plugin endpoint, REST route, or AJAX handler returns more data than it should, omits access control checks, or echoes server-side fields in responses intended for unauthenticated viewers. In WordPress plugins, this class of bug commonly stems from missing capability checks on admin-ajax.php actions, public REST API endpoints registered without permission_callback, or template logic that exposes object fields meant to be internal.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (Patchstack) PRIMARY 7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI 7.5 HIGH

Unauthenticated network-reachable WordPress plugin endpoint discloses sensitive affiliate data with no integrity or availability impact, matching AV:N/AC:L/PR:N/UI:N/C:H/I:N/A:N.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionCVE.org

Unauthenticated Sensitive Data Exposure in Affiliates Manager <= 2.9.50 versions.

Executive ViewAI

Why It Matters

The Affiliates Manager WordPress plugin (versions 2.9.50 and below) contains an unauthenticated vulnerability exposing confidential affiliate program and business data to unauthorized remote access. Organizations running this plugin face immediate risk of data breach without requiring attackers to authenticate, and no vendor patch is currently available to remediate the issue.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: (1) Disable plugin if operationally feasible to eliminate attack surface; (2) Deploy WAF rules blocking unauthorized access to affiliate manager endpoints; (3) Restrict database access and monitor for unusual data queries; (4) Implement network-level access controls via IP whitelisting to trusted sources only.

Threat Intelligence Overview

EPSS Score
0.2%
Top 85% exploitable
Social Media
1
Sightings
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
Yes
Human Impact
High
Technical Impact
Partial

Priority Score

38
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +38
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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