What’s Vulnerable › Vulnerabilities

CVE-2022-4877: snoyberg keter Proxy.hs cross site scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-05 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• snoyberg keter: before 1.8.2 — fixed in 1.8.2

How to fix

Upgrade to a fixed version: snoyberg keter 1.8.2. Check the vendor advisory for mitigations.

References

• https://github.com/snoyberg/keter/commit/d41f3697926b231782a3ad8050f5af1ce5cc40b7
• https://github.com/snoyberg/keter/pull/246
• https://github.com/snoyberg/keter/releases/tag/keter%2F1.8.2
• https://vuldb.com/?ctiid.217444
• https://vuldb.com/?id.217444
• https://github.com/snoyberg/keter/commit/d41f3697926b231782a3ad8050f5af1ce5cc40b7
• https://github.com/snoyberg/keter/pull/246
• https://github.com/snoyberg/keter/releases/tag/keter%2F1.8.2
• https://vuldb.com/?ctiid.217444
• https://vuldb.com/?id.217444

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