What’s Vulnerable › Vulnerabilities

CVE-2019-11537

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-04-25 · updated 2026-07-10
• Weakness: CWE-79

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.

Affected products

• osticket/osticket: before 1.12 — fixed in 1.12

How to fix

Upgrade to a fixed version: osticket/osticket 1.12. Check the vendor advisory for mitigations.

References

• https://github.com/osTicket/osTicket/pull/4869
• https://github.com/osTicket/osTicket/releases/tag/v1.12
• https://pentest.com.tr/exploits/osTicket-v1-11-XSS-to-LFI.html
• https://www.exploit-db.com/exploits/46753
• https://www.exploit-db.com/exploits/46753/
• https://github.com/osTicket/osTicket/pull/4869
• https://github.com/osTicket/osTicket/releases/tag/v1.12
• https://pentest.com.tr/exploits/osTicket-v1-11-XSS-to-LFI.html
• https://www.exploit-db.com/exploits/46753
• https://www.exploit-db.com/exploits/46753/

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