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Affiliates Manager CVE-2026-73355

| EUVDEUVD-2026-60780 CRITICAL
SQL Injection (CWE-89)
2026-08-18 Patchstack GHSA-m6xp-8r2q-w62h
9.3
CVSS 3.1 · Vendor: Patchstack
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Severity by source

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

Unauthenticated network SQLi (AV:N/AC:L/PR:N/UI:N) reading beyond the plugin's own tables justifies S:C and C:H; no confirmed write/integrity or availability impact, so I:N/A:N.

3.1 AV:N/AC:L/PR:N/UI:N/S:C/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:L/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
Low

Lifecycle Timeline

2
Analysis Generated
Aug 18, 2026 - 15:06 vuln.today
CVE Published
Aug 18, 2026 - 14:00 cve.org
CRITICAL 9.3

DescriptionCVE.org

Unauthenticated SQL Injection in Affiliates Manager <= 2.9.53 versions.

AnalysisAI

Unauthenticated SQL injection in the WordPress plugin Affiliates Manager (by wp.insider) through version 2.9.53 lets remote attackers inject crafted SQL through affiliate-facing input without any authentication (PR:N), enabling extraction of sensitive database contents such as user records, affiliate payout data, and WordPress secrets. The high CVSS base score of 9.3 is driven by network reach, low complexity, and a scope change (S:C) reflecting impact on the wider WordPress database beyond the plugin's own tables. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify site running Affiliates Manager ≤2.9.53
Delivery
Send crafted affiliate parameter with SQL payload
Exploit
Trigger unsanitized $wpdb query (CWE-89)
Execution
Extract wp_users hashes and secrets
Impact
Escalate to admin/site compromise

Vulnerability AssessmentAI

Exploitation Exploitation requires only that a site have the Affiliates Manager plugin (≤ 2.9.53) installed and active with its affiliate-facing request handling reachable over the network; per CVSS AV:N/AC:L/PR:N/UI:N no authentication, user interaction, or non-default configuration is needed, so default installations exposing the affiliate/registration endpoints are directly exploitable by unauthenticated remote attackers. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Signals are largely consistent and point to a genuine priority for exposed sites: CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N yields network, low-complexity, unauthenticated, no-user-interaction exploitation, and the scope change (S:C) plus C:H reflect meaningful cross-boundary data exposure. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A remote attacker with no account crafts a malicious value in an affiliate-facing parameter (e.g., a referral or registration field) that is concatenated into a backend SQL query, then uses UNION-based or blind injection to read arbitrary tables. From there they exfiltrate wp_users password hashes, secret keys, and affiliate payout/PII data, potentially leading to admin account compromise. …
Remediation No vendor-released patch version is identified in the provided data, so confirm the fixed release directly via the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/affiliates-manager/vulnerability/wordpress-affiliates-manager-plugin-2-9-53-sql-injection-vulnerability) and upgrade to the first release above 2.9.53 once published. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, audit all WordPress instances running Affiliates Manager through version 2.9.53 and assess business criticality of affiliate functionality; if non-critical, disable or remove the plugin immediately to eliminate attack surface. …

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CVE-2026-73355 vulnerability details – vuln.today

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