CVE-2022-22577: An XSS Vulnerability in Action Pack >= 5.2.0 and < 5.2.0 that could allow an attacker to bypass CSP for non HT

Q: How urgent is CVE-2022-22577?

Priority 46/100. On your watchlist

This month

MEDIUM 6.1WATCHLISTUPGRADEMITIGATE

CVE-2022-22577 is a medium-severity flaw (CVSS 6.1) affecting actionpack, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An XSS Vulnerability in Action Pack >= 5.2.0 and < 5.2.0 that could allow an attacker to bypass CSP for non HTML like responses.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-05-26
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: debian · rubyonrails

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

Am I affected?

Timeline

2022-05-26 17:15 UTCPublished CVE record published
2026-06-17 04:28 UTCUpdated Record last modified

rubyonrails actionpack UPGRADE

Affected: >= 5.2.0 and < 5.2.7.1 · >= 6.0.0 and < 6.0.4.8 · >= 6.1.0 and < 6.1.5.1 · >= 7.0.0 and < 7.0.2.4

Fixed in: 5.2.7.1, 6.0.4.8, 6.1.5.1, 7.0.2.4

Safe to downgrade to: a release before 5.2.0

1. Check installed version

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

2. UPGRADE to 5.2.7.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade actionpack

Note

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

3. If no update is available yet, DOWNGRADE to a release before 5.2.0 (Debian / Ubuntu)

apt-cache madison actionpack sudo apt install actionpack=<VERSION_BEFORE_5.2.0> sudo apt-mark hold actionpack

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list actionpack sudo dnf downgrade actionpack-<VERSION_BEFORE_5.2.0> sudo dnf versionlock add actionpack

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

debian debian linux MITIGATE

Affected: 10.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2022-22577?

actionpack: upgrade to 5.2.7.1, 6.0.4.8, 6.1.5.1, 7.0.2.4; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-22577 being exploited?

CVE-2022-22577 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-2022-22577 affect?

CVE-2022-22577 affects actionpack, debian linux. Severity is medium (CVSS 6.1). An XSS Vulnerability in Action Pack >= 5.2.0 and < 5.2.0 that could allow an attacker to bypass CSP for non HTML like responses.

How urgent is CVE-2022-22577?

Priority 46/100. On your watchlist

Software pages

Debian vulnerabilities

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References

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