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…
Does this matter?
A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 4.6%. Treat it as high on anything reachable from the internet.
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.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 4.62% probability · 92th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 25 April 2019
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- enhancesoft/osticket
- Source
- cve@mitre.org
EPSS 4.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.