CVE-2022-43996: The csaf_provider package before 0.8.2 allows XSS via a crafted CSAF document uploaded as text/html

Q: How do I fix CVE-2022-43996?

csaf provider: upgrade to 0.8.2. Exact commands for each OS are on this page.

Q: Is CVE-2022-43996 being exploited?

CVE-2022-43996 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-43996 affect?

CVE-2022-43996 affects csaf provider. Severity is medium (CVSS 5.4). 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. Wh

Q: How urgent is CVE-2022-43996?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2022-43996 is a medium-severity flaw (CVSS 5.4) affecting csaf provider. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 in

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-12-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: csaf provider project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-12-13 22:15 UTCPublished CVE record published
2026-06-17 05:07 UTCUpdated Record last modified

csaf provider project csaf provider UPGRADE

Affected: < 0.8.2

Fixed in: 0.8.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy csaf-provider || rpm -q csaf-provider || csaf-provider --version

2. UPGRADE to 0.8.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade csaf-provider

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade csaf-provider

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-43996?

csaf provider: upgrade to 0.8.2. Exact commands for each OS are on this page.

Is CVE-2022-43996 being exploited?

CVE-2022-43996 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-43996 affect?

CVE-2022-43996 affects csaf provider. Severity is medium (CVSS 5.4). 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. Wh

How urgent is CVE-2022-43996?

Priority 29/100. No elevated risk signals yet.

References

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