CVE-2022-26156

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-02-28 · updated 2026-06-17
Weakness: CWE-601

Description

An issue was discovered in the web application in Cherwell Service Management (CSM) 10.2.3. Injection of a malicious payload within the RelayState= parameter of the HTTP request body results in the hijacking of the form action. Form-action hijacking vulnerabilities arise when an application places user-supplied input into the action URL of an HTML form. An attacker can use this vulnerability to construct a URL that, if visited by another application user, will modify the action URL of a form to point to the attacker's server.

Affected products

Cherwell Service Management: 10.2.3

References

https://github.com/l00neyhacker/CVE-2022-26156
https://help.cherwell.com/bundle/release_notes_10_4_help_only/page/content/release_notes/10_4_0_fix_list.html
https://github.com/l00neyhacker/CVE-2022-26156
https://help.cherwell.com/bundle/release_notes_10_4_help_only/page/content/release_notes/10_4_0_fix_list.html

Get alerted when CVE-2022-26156 or the next vulnerability affects your stack