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TI-2017-14097 Aliases CVE-2017-20026GHSA-m7qr-8cph-5cpw

HumHub Reflected cross site scriting

Priority MEDIUM 60CWE-80Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-80.

Summary

A vulnerability has been found in HumHub up to 1.0.1 and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation leads to cross site scripting (Reflected). The attack can be launched remotely. The exploit has been disclosed 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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00784 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
unspecifiedHumHub1.0.0; 1.0.1—No fix listedCNA
  • HumHub Vendorunspecified Affected 1.0.0; 1.0.1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:humhub:humhub:*:*:*:*:*:*:*:*before 1.1.1Vulnerablehumhub
  • cpe:2.3:a:humhub:humhub:*:*:*:*:*:*:*:* Versions before 1.1.1 Vulnerable ·humhub

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-20026
  2. 2026-10-03 Alias added: GHSA-m7qr-8cph-5cpw

References

Exploit 1

  • TI-2022-08676 Improper access control in humhub CVSS 3.1MEDIUM 6.5
  • TI-2017-14099 HumHub privileges management CVSS 3.1CRITICAL 9.8
  • TI-2024-34921 User enumeration in HubHub CVSS 4.0MEDIUM 6.9
  • TI-2014-07750 SQL injection vulnerability in the actionIndex function in… CVSS 2.0HIGH 7.5
  • TI-2019-08643 A cross-site scripting (XSS) vulnerability in HumHub 1.3.12 allows remote attackers to… CVSS 3.0MEDIUM 6.1
  • TI-2025-39853 HumHub is vulnerable to XSS through its Meta Search component CVSS 4.0HIGH 7.1
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences