Is CVE-2021-4273 in the CISA KEV catalog?

No. CVE-2021-4273 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-4273?

CVE-2021-4273 has a CVSS v3 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2021-4273?

CVE-2021-4273 has an EPSS score of 0.53% (41th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2021-4273?

No published fix for CVE-2021-4273 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2021-4273

MEDIUM

4.3

CVSS v3

NVD

Description

A vulnerability classified as problematic was found in studygolang. This vulnerability affects the function Search of the file http/controller/search.go. The manipulation of the argument q leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 97ba556d42fa89dfaa7737e9cd3a8ddaf670bb23. It is recommended to apply a patch to fix this issue. VDB-216478 is the identifier assigned to this vulnerability.

CWE-707 CWE-79Cross-Site Scripting (XSS)

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Exploit Intelligence

0.53%probability of exploitation in 30 days

41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Patch2

Third-Party Advisory1

vuldb.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.