XSS in Cherwell Service Management

CVE-2022-26155

An issue was discovered in the web application in Cherwell Service Management (CSM) 10.2.3. XSS can occur via a payload in the SAMLResponse parameter of the HTTP request body.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-26155: held from 0.007 to 0.007.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-26155?
CVE-2022-26155 is a medium-severity vulnerability in Cherwell Service Management, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-02-28.
How severe is CVE-2022-26155?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-26155 known to be exploited?
9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.