How severe is CVE-2021-36874?

CVE-2021-36874 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2021-36874 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36874?

CVE-2021-36874 affects Stylemixthemes Ulisting. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36874?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-36874 published?

CVE-2021-36874 was published on 2021-09-27 and last updated on 2026-06-17.

CVE-2021-36874

CVE-2021-36874 is a high-severity vulnerability in Stylemixthemes Ulisting with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 6.5
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Stylemixthemes Ulisting
Published: 2021-09-27
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2021-36874?: Authenticated Insecure Direct Object References (IDOR) vulnerability in WordPress uListing plugin (versions <= 2.0.5).
How severe is CVE-2021-36874?: CVE-2021-36874 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2021-36874 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36874?: CVE-2021-36874 affects Stylemixthemes Ulisting. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36874?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-36874 published?: CVE-2021-36874 was published on 2021-09-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:stylemixthemes:ulisting:*:*:*:*:*:wordpress:*:*

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