CVE-2022-43996

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-13 · updated 2026-06-17
Weakness: CWE-79

Description

The csaf_provider package before 0.8.2 allows XSS via a crafted CSAF document uploaded as text/html. The endpoint upload allows valid CSAF advisories (JSON format) to be uploaded with Content-Type text/html and filenames ending in .html. When subsequently accessed via web browser, these advisories are served and interpreted as HTML pages. Such uploaded advisories can contain JavaScript code that will execute within the browser context of users inspecting the advisory.

Affected products

Csaf Provider Project Csaf Provider: before 0.8.2 — fixed in 0.8.2

How to fix

Upgrade to a fixed version: Csaf Provider Project Csaf Provider 0.8.2. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2022-43996 or the next vulnerability affects your stack