CVE-2019-11537

Name: CVE-2019-11537
Creator: NVD / NIST
Published: 2019-04-25T19:29:01.143+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.62%

Last modified Jun 17, 2026

CVE-2019-11537 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.62% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

4.62%

90.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Osticket	Osticket	< 1.12

References

https://github.com/osTicket/osTicket/pull/4869Third Party Advisory
https://github.com/osTicket/osTicket/releases/tag/v1.12Third Party Advisory
https://pentest.com.tr/exploits/osTicket-v1-11-XSS-to-LFI.htmlExploit, Third Party Advisory
https://www.exploit-db.com/exploits/46753Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/46753/Exploit, Third Party Advisory, VDB Entry
https://github.com/osTicket/osTicket/pull/4869Third Party Advisory
https://github.com/osTicket/osTicket/releases/tag/v1.12Third Party Advisory
https://pentest.com.tr/exploits/osTicket-v1-11-XSS-to-LFI.htmlExploit, Third Party Advisory
https://www.exploit-db.com/exploits/46753Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/46753/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Apr 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-11537?

How severe is CVE-2019-11537?

Severity scoring for CVE-2019-11537 is pending analysis. The EPSS model estimates a 4.62% probability of exploitation in the next 30 days.

How do I fix CVE-2019-11537?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-11537?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST