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CVE-2022-4877

22
FAUCET Score

CVE-2022-4877 is a cross-site scripting (XSS) vulnerability affecting snoyberg keter up to version 1.8.1, specifically within the Keter/Proxy.hs file when manipulating the 'host' argument. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low attack complexity, potentially leading to limited confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this issue. Upgrading to keter version 1.8.2 is recommended to remediate this flaw.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.8.2CPE matchmatch criteria
cpe:2.3:a:keter_project:keter:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 44th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / snoyberg/keter/commit/d41f3697926b231782a3ad8050f5af1ce5cc40b7
PatchThird Party Advisory
github.com / snoyberg/keter/pull/246
PatchThird Party Advisory
github.com / snoyberg/keter/releases/tag/keter%2F1.8.2
Release NotesThird Party Advisory
vuldb.com
Third Party Advisory
vuldb.com
Third Party Advisory