CVE-2022-27257: A PHP Local File Inclusion vulneraility in the default Redbasic theme for Hubzilla before version 7.2 allows r

Q: How do I fix CVE-2022-27257?

hubzilla: upgrade to 7.2. Exact commands for each OS are on this page.

Q: Is CVE-2022-27257 being exploited?

CVE-2022-27257 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-2022-27257 affect?

CVE-2022-27257 affects hubzilla. Severity is high (CVSS 7.5). A PHP Local File Inclusion vulneraility in the default Redbasic theme for Hubzilla before version 7.2 allows remote attackers to include arbitrary php files via the schema parameter.

Q: How urgent is CVE-2022-27257?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2022-27257 is a high-severity flaw (CVSS 7.5) affecting hubzilla. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A PHP Local File Inclusion vulneraility in the default Redbasic theme for Hubzilla before version 7.2 allows remote attackers to include arbitrary php files via the schema parameter.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Published	2022-04-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hubzilla

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

Am I affected?

Timeline

2022-04-15 18:15 UTCPublished CVE record published
2026-06-17 04:36 UTCUpdated Record last modified

hubzilla hubzilla UPGRADE

Affected: < 7.2

Fixed in: 7.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 7.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade hubzilla

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-2022-27257?

hubzilla: upgrade to 7.2. Exact commands for each OS are on this page.

Is CVE-2022-27257 being exploited?

CVE-2022-27257 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-2022-27257 affect?

CVE-2022-27257 affects hubzilla. Severity is high (CVSS 7.5). A PHP Local File Inclusion vulneraility in the default Redbasic theme for Hubzilla before version 7.2 allows remote attackers to include arbitrary php files via the schema parameter.

How urgent is CVE-2022-27257?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-27258 MEDIUM 6.1 DOWNGRADE Multiple Cross-Site Scripting (XSS) vulnerabilities in Hubzilla 7.0.3 and earlier allows remote attacker to in
CVE-2022-27256 MEDIUM 6.1 UPGRADE A PHP Local File inclusion vulnerability in the Redbasic theme for Hubzilla before version 7.2 allows remote a

References

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