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Classified Listing EUVDEUVD-2026-46162

| CVE-2026-14183 MEDIUM
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-07-21 WPScan GHSA-6phg-rm29-h3wq
4.3
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
vuln.today AI
4.3 MEDIUM

Network-reachable IDOR requiring only subscriber auth (PR:L); impact confined to payment receipt confidentiality (C:L); no integrity or availability effect.

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

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

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

Lifecycle Timeline

5
Analysis Generated
Jul 21, 2026 - 16:29 vuln.today
CVSS changed
Jul 21, 2026 - 16:22 NVD
4.3 (MEDIUM)
Patch available
Jul 21, 2026 - 08:02 EUVD
CVE Published
Jul 21, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 21, 2026 - 06:00 cve.org
MEDIUM 4.3

DescriptionCVE.org

The Classified Listing WordPress plugin before 5.3.9 does not verify that the order targeted by its payment-receipt handler belongs to the requesting user, allowing authenticated users with subscriber-level access to read the payment receipt details of any other user's order.

AnalysisAI

Insecure Direct Object Reference (IDOR) in the Classified Listing WordPress plugin before 5.3.9 exposes payment receipt data across arbitrary user accounts. Any authenticated user holding subscriber-level access - the default role assigned upon registration on most WordPress sites - can query the payment-receipt handler with any order ID and receive full receipt details belonging to another user, because no ownership check is performed. A publicly available exploit exists per WPScan, and a vendor-released patch at version 5.3.9 is available; no KEV listing is present at time of analysis.

Technical ContextAI

The Classified Listing plugin (CPE: cpe:2.3:a:unknown:classified_listing:*:*:*:*:*:*:*:*) is a WordPress classified-ads and listing management plugin that includes an e-commerce payment flow generating order receipts. The root cause is CWE-639 (Authorization Bypass Through User-Controlled Key): the payment-receipt handler accepts an order identifier supplied by the requesting user but performs no server-side check to confirm that the authenticated session owns the referenced order. This is a classic IDOR pattern - the object key (order ID) is the only access control, and because it is user-controlled and predictable (typically sequential integers in WooCommerce-adjacent systems), enumeration is trivial. The WordPress subscriber role is granted by default to any self-registered user, meaning the attack surface extends to any site with open registration or any attacker who can create an account.

RemediationAI

Update the Classified Listing WordPress plugin to version 5.3.9 or later, which introduces server-side ownership validation on the payment-receipt handler. The vendor-released patch is the only confirmed fix; apply it via the WordPress admin dashboard under Plugins > Updates or by downloading directly from the WordPress plugin repository. If immediate patching is not feasible, the most actionable compensating control is to disable open user registration (Settings > General > uncheck 'Anyone can register') so that subscriber accounts cannot be created by unauthenticated outsiders - this does not eliminate risk from existing subscriber accounts but eliminates the easiest onboarding path for an attacker. A second compensating control is to restrict access to the payment-receipt endpoint via WAF rules or server-level ACLs, though the specific endpoint path should be confirmed from plugin source before implementing, as misconfigured blocks may break legitimate order confirmations. Neither workaround replaces the patch. Advisory references: https://wpscan.com/vulnerability/5b720785-86a4-4610-83cb-8cc998d90ccf/ and https://nvd.nist.gov/vuln/detail/CVE-2026-14183.

CVE-2026-16281 HIGH POC
7.1 Sep 04

Broken object-level authorization in the Classified Listing WordPress plugin (versions 5.3.0 through pre-6.1.1) allows a

CVE-2022-2655 MEDIUM POC
6.1 Sep 16

The Classified Listing Pro WordPress plugin before 2.0.20 does not escape a generated URL before outputting it back in a

CVE-2022-2654 MEDIUM POC
6.1 Sep 16

The Classima WordPress theme before 2.1.11 and some of its required plugins (Classified Listing before 2.2.14, Classifie

CVE-2024-1315 HIGH
8.8 Apr 09

The Classified Listing - Classified ads & Business Directory Plugin plugin for WordPress is vulnerable to Cross-Site Req

CVE-2023-37387 HIGH
8.8 Jul 18

Cross-Site Request Forgery (CSRF) vulnerability in RadiusTheme Classified Listing plugin <= 2.4.5 versions. Rated high s

CVE-2026-57344 HIGH
7.1 Jul 02

Cross-site scripting in the Classified Listing WordPress plugin (by RadiusTheme) versions 5.4.2 and earlier lets a remot

CVE-2026-42658 HIGH
7.1 Jun 15

Unauthenticated reflected/stored Cross-Site Scripting in the Classified Listing WordPress plugin versions 5.3.8 and earl

CVE-2026-16276 LOW POC
2.7 Aug 03

Unauthorized revenue data disclosure in the Classified Listing WordPress plugin (before 5.4.4) allows any authenticated

CVE-2026-16274 LOW POC
2.7 Aug 03

The Classified Listing WordPress plugin before version 5.4.4 exposes private, draft, and pending post content to authent

CVE-2024-1352 MEDIUM
6.5 Apr 09

The Classified Listing - Classified ads & Business Directory Plugin plugin for WordPress is vulnerable to unauthorized a

CVE-2026-42679 MEDIUM
6.5 Jun 01

Path traversal in the Classified Listing WordPress plugin (versions through 5.3.8) enables authenticated low-privileged

CVE-2026-57355 MEDIUM
6.5 Jul 02

Broken access control in the Classified Listing WordPress plugin (versions <= 5.4.2) allows subscriber-level authenticat

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EUVD-2026-46162 vulnerability details – vuln.today

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