Cyber Resilience

CVE-2017-20027

Medium

Published: 09 June 2022

Published
09 June 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS Score 0.0033 56.2th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2017-20027 is a medium-severity Basic XSS (CWE-80) vulnerability in Humhub Humhub. Its CVSS base score is 4.3 (Medium).

Operationally, ranked in the top 43.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability was found in HumHub up to 1.0.1 and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to cross site scripting (DOM). The attack may be launched remotely. The exploit has been disclosed…

more

to the public and may be used. Upgrading to version 1.1.1 is able to address this issue. It is recommended to upgrade the affected component.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

humhub
humhub
≤ 1.1.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References