A vulnerability was found in Alinto SOGo up to 5.7.1 and classified as problematic. Affected by this issue is the function _migrateMailIdentities of the file SoObjects/SOGo/SOGoUserDefaults.m of the component Identity Handler. The manipulation of the argument fullName leads to cross site scripting. The attack may be launched remotely. Upgrading to version 5.8.0 is able to address this issue. The name of the patch is efac49ae91a4a325df9931e78e543f707a0f8e5e. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-215960.
Conclusion & alert: CVE-2022-4556 is rated Low Risk (27.3/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.17%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-01-03 | 0.27% | 0.17% | -0.10% |
| 2 | 2025-12-23 | 0.39% | 0.27% | -0.12% |
| 3 | 2025-12-17 | — | 0.39% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.5 | 3.1 | LOW |
|
2.1 | 1.4 | [email protected] |
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2022-4556 not yet assigned priority: Debian including 1 source packages (sogo), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. | https://security-tracker.debian.org/tracker/CVE-2022-4556 |
ubuntu
|
medium | CVE-2022-4556 medium priority: Ubuntu including 1 source packages (sogo), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 5, needs-triage 4, ignored 2, DNE 1, released 1. | https://ubuntu.com/security/CVE-2022-4556 |
| URL | Tags |
|---|---|
| https://github.com/Alinto/sogo/commit/efac49ae91a4a325df9931e78e543f707a0f8e5e | Patch Third Party Advisory |
| https://github.com/Alinto/sogo/releases/tag/SOGo-5.8.0 | Release Notes Third Party Advisory |
| https://vuldb.com/?id.215960 | Third Party Advisory |