CVE-2021-36874

WordPress uListing plugin <= 2.0.5 - Authenticated Insecure Direct Object References (IDOR) vulnerability

7.1 High

Authenticated Insecure Direct Object References (IDOR) vulnerability in WordPress uListing plugin (versions <= 2.0.5).

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: Low

Exploit likelihood

1.10%Up 0.5 points since Sep 28, 2021

What each source reports

CVE List Score used 7.1

WordPress uListing plugin <= 2.0.5 - Authenticated Insecure Direct Object References (IDOR) vulnerability

Authenticated Insecure Direct Object References (IDOR) vulnerability in WordPress uListing plugin (versions <= 2.0.5).

Record: CVE-2021-36874
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Updated: 2026-11-02

EUVDEUVD-2021-23450 7.1

Authenticated Insecure Direct Object References (IDOR) vulnerability in WordPress uListing plugin (versions <= 2.0.5).

Record: EUVD-2021-23450
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-6qm2-c6m9-24vc No score

Authenticated Insecure Direct Object References (IDOR) vulnerability in WordPress uListing plugin...

Authenticated Insecure Direct Object References (IDOR) vulnerability in WordPress uListing plugin (versions <= 2.0.5).

Record: GHSA-6qm2-c6m9-24vc
Weakness: CWE-639
Updated: 2026-11-02

NVD 7.1

Authenticated Insecure Direct Object References (IDOR) vulnerability in WordPress uListing plugin (versions <= 2.0.5).

Record: CVE-2021-36874
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-639
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-36874 is a high vulnerability (CVSS 7.1) in Stylemixthemes Ulisting, published September 27, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.10%, the 65th percentile. No source names a fixed version.