Is CVE-2022-4877 in the CISA KEV catalog?

No. CVE-2022-4877 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-4877?

CVE-2022-4877 has a CVSS v3 base score of 3.5 (LOW).

What is the EPSS score for CVE-2022-4877?

CVE-2022-4877 has an EPSS score of 0.53% (41th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-4877?

Upgrade keter to 1.8.2 or later.

CVE & CISA-KEV Catalog

CVE-2022-4877

LOW

3.5

CVSS v3

NVD

Description

A vulnerability has been found in snoyberg keter up to 1.8.1 and classified as problematic. This vulnerability affects unknown code of the file Keter/Proxy.hs. The manipulation of the argument host leads to cross site scripting. The attack can be initiated remotely. Upgrading to version 1.8.2 is able to address this issue. The name of the patch is d41f3697926b231782a3ad8050f5af1ce5cc40b7. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-217444.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

keterNVD

Affected:< 1.8.2Fixed in:1.8.2CVE-2022-4877derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/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 Advisory3

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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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.