XSS in Enhancesoft Osticket

CVE-2019-14750

An issue was discovered in osTicket before 1.10.7 and 1.12.x before 1.12.1. Stored XSS exists in setup/install.php. It was observed that no input sanitization was provided in the firstname and lastname fields of the application. The insertion of malicious queries in those fields leads to the execution of those queries. This can further lead to cookie stealing or other malicious actions.

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: 0.109 (95.7th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% 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-2019-14750: held from 0.109 to 0.109.

EPSS over last 30 days · oldest: 0.109 · newest: 0.109 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-14750?
CVE-2019-14750 is a medium-severity vulnerability in Enhancesoft Osticket, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-08-07.
How severe is CVE-2019-14750?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-14750 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.