How severe is CVE-2022-27257?

CVE-2022-27257 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-27257 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27257?

CVE-2022-27257 affects Hubzilla. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-27257?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-27257 published?

CVE-2022-27257 was published on 2022-04-15 and last updated on 2026-06-17.

CVE-2022-27257

CVE-2022-27257 is a high-severity vulnerability in Hubzilla with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hubzilla
Published: 2022-04-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2022-27257?: 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 severe is CVE-2022-27257?: CVE-2022-27257 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-27257 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27257?: CVE-2022-27257 affects Hubzilla. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-27257?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-27257 published?: CVE-2022-27257 was published on 2022-04-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hubzilla:hubzilla:*:*:*:*:*:*:*:*

More vulnerabilities in Hubzilla

CVE-2022-27258 — Medium (CVSS 6.1): Multiple Cross-Site Scripting (XSS) vulnerabilities in Hubzilla 7.0.3 and earlier allows remote attacker to include…
CVE-2022-27256 — Medium (CVSS 6.1): A PHP Local File inclusion vulnerability in the Redbasic theme for Hubzilla before version 7.2 allows remote attackers…

All CVEs affecting Hubzilla →