What is CVE-2022-27256?

CVE-2022-27256 is a medium-severity vulnerability in Hubzilla, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2022-04-13.

How severe is CVE-2022-27256?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Hubzilla

CVE-2022-27256

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

Vulnerability class: Open Redirect

Published 2022-04-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.015 (73.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000

Affected products

Hubzilla

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

hubzilla.org/channel/hubzilla/ (Release Notes, Vendor Advisory)
framagit.org/hubzilla/core/-/commit/0784cd593a39a4fc297e8a82f7e79bc8019a0868 (Patch, Third Party Advisory)
volse.net/~haraldei/infosec/disclosures/hubzilla-before-7-2-multiple-vulnerabil… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-27256?: CVE-2022-27256 is a medium-severity vulnerability in Hubzilla, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2022-04-13.
How severe is CVE-2022-27256?: Medium severity. CVSS v3 base score is 6.1 out of 10.