XSS in Enhancesoft Osticket

CVE-2019-11537

In osTicket before 1.12, XSS exists via /upload/file.php, /upload/scp/users.php?do=import-users, and /upload/scp/ajax.php/users/import if an agent manager user uploads a crafted .csv file to the User Importer, because file contents can appear in an error message. The XSS can lead to local file inclusion.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.046 (91.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.4% 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-2019-11537: held from 0.046 to 0.046.

EPSS over last 30 days · oldest: 0.046 · newest: 0.046 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-11537?
CVE-2019-11537 is a medium-severity vulnerability in Enhancesoft Osticket, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-04-25.
How severe is CVE-2019-11537?
Medium severity. CVSS v3 base score is 6.1 out of 10.