CVE-2022-43706: Cross-site scripting (XSS) vulnerability in the Web UI of StackStorm versions prior to 3.8.0 allowed logged in

Q: How do I fix CVE-2022-43706?

stackstorm: upgrade to 3.8.0. Exact commands for each OS are on this page.

Q: Is CVE-2022-43706 being exploited?

CVE-2022-43706 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-2022-43706 affect?

CVE-2022-43706 affects stackstorm. Severity is medium (CVSS 5.4). Cross-site scripting (XSS) vulnerability in the Web UI of StackStorm versions prior to 3.8.0 allowed logged in users with write access to pack rules to inject arbitrary script or HTML that may be executed in Web UI for other logged in users

Q: How urgent is CVE-2022-43706?

Priority 28/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2022-43706 is a medium-severity flaw (CVSS 5.4) affecting stackstorm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in the Web UI of StackStorm versions prior to 3.8.0 allowed logged in users with write access to pack rules to inject arbitrary script or HTML that may be executed in Web UI for other logged in users.

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	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-12-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: stackstorm

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

Am I affected?

Timeline

2022-12-05 23:15 UTCPublished CVE record published
2026-06-17 05:07 UTCUpdated Record last modified

stackstorm stackstorm UPGRADE

Affected: < 3.8.0

Fixed in: 3.8.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy stackstorm || rpm -q stackstorm || stackstorm --version

2. UPGRADE to 3.8.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade stackstorm

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade stackstorm

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-2022-43706?

stackstorm: upgrade to 3.8.0. Exact commands for each OS are on this page.

Is CVE-2022-43706 being exploited?

CVE-2022-43706 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-2022-43706 affect?

CVE-2022-43706 affects stackstorm. Severity is medium (CVSS 5.4). Cross-site scripting (XSS) vulnerability in the Web UI of StackStorm versions prior to 3.8.0 allowed logged in users with write access to pack rules to inject arbitrary script or HTML that may be executed in Web UI for other logged in users

How urgent is CVE-2022-43706?

Priority 28/100. No elevated risk signals yet.

Related CVEs

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CVE-2021-44657 HIGH 8.8 UPGRADE In StackStorm versions prior to 3.6.0, the jinja interpreter was not run in sandbox mode and thus allows execu
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References

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