How severe is CVE-2021-36880?

CVE-2021-36880 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-2021-36880 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36880?

CVE-2021-36880 affects Stylemixthemes Ulisting. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36880?

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-2021-36880 published?

CVE-2021-36880 was published on 2021-09-27 and last updated on 2026-06-17.

CVE-2021-36880

CVE-2021-36880 is a high-severity vulnerability in Stylemixthemes Ulisting with a CVSS 3.x base score of 8.6. 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-89.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Stylemixthemes Ulisting
Published: 2021-09-27
Last modified: 2026-06-17

Description

Unauthenticated SQL Injection (SQLi) vulnerability in WordPress uListing plugin (versions <= 2.0.3), vulnerable parameter: custom.

Frequently asked questions

What is CVE-2021-36880?: Unauthenticated SQL Injection (SQLi) vulnerability in WordPress uListing plugin (versions <= 2.0.3), vulnerable parameter: custom.
How severe is CVE-2021-36880?: CVE-2021-36880 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-2021-36880 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36880?: CVE-2021-36880 affects Stylemixthemes Ulisting. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36880?: 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-2021-36880 published?: CVE-2021-36880 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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