CVE-2026-18756

Published: Ago 19, 2026 Last Modified: Ago 19, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,2
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: active
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

HumHub Community Edition 1.18.4 contains a reflected cross-site scripting vulnerability in the Space membership-request workflow. An attacker can place attacker-controlled button configuration in the options query-string parameter of space/membership/request-membership-form, lure an authenticated non-member into submitting the legitimate membership request form, and cause the server to return JavaScript containing attacker-controlled code.

79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Confidentiality Integrity Availability
Potential Impacts:
Bypass Protection Mechanism Read Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML, Web Based, Web Server
Likelihood of Exploit: High
View CWE Details
https://fluidattacks.com/es/advisories/turizo
https://fluidattacks.com/es/advisories/turizo
https://github.com/humhub/humhub
https://github.com/humhub/humhub
https://github.com/humhub/humhub/pull/8381
https://github.com/humhub/humhub/pull/8381