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Osticket CVE-2019-14750

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2019-08-07 cve@mitre.org
6.1
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 11.69%.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 11.7% exploitation probability (EPSS)

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AnalysisAI

An issue was discovered in osTicket before 1.10.7 and 1.12.x before 1.12.1. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 11.7%.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Enhancesoft Osticket. Version information: before 1.10.7.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
11.7%
Top 4% exploitable
Exploit
POC
Public exploit code exists
Data Quality
6 sources
Confidence: High
NVD CVE.org EPSS POC (1) Exploit-DB GitHub VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 11.7%
Patch available Yes
Active threat Yes
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

62
Low Medium High Critical
KEV: 0
EPSS: +12
CVSS: +30
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:enhancesoft:osticket:*:*:*:*:*:*:*:*
cpe:2.3:a:enhancesoft:osticket:*:*:*:*:*:*:*:*
CVE-2020-24881 CRITICAL POC
9.8 Nov 02

SSRF exists in osTicket before 1.14.3, where an attacker can add malicious file to server or perform port scanning. Rate

CVE-2017-15580 CRITICAL POC
9.8 Oct 23

osTicket 1.10.1 provides a functionality to upload 'html' files with associated formats. Rated critical severity (CVSS 9

CVE-2026-22200 HIGH POC
8.7 Jan 12

Arbitrary local file read in Enhancesoft osTicket 1.18.x (before 1.18.3) and 1.17.x (before 1.17.7) lets a remote unauth

CVE-2019-14749 HIGH POC
8.8 Aug 07

An issue was discovered in osTicket before 1.10.7 and 1.12.x before 1.12.1. Rated high severity (CVSS 8.8), this vulnera

CVE-2017-14396 CRITICAL POC
9.8 Sep 12

In osTicket before 1.10.1, SQL injection is possible by constructing an array via use of square brackets at the end of a

CVE-2018-7195 HIGH POC
8.1 Mar 27

Enhancesoft osTicket before 1.10.2 allows remote attackers to reset arbitrary passwords (when an associated e-mail addre

CVE-2023-30082 HIGH POC
7.5 Jun 14

A denial of service attack might be launched against the server if an unusually lengthy password (more than 10000000 cha

CVE-2021-45811 MEDIUM POC
6.5 Sep 08

A SQL injection vulnerability in the "Search" functionality of "tickets.php" page in osTicket 1.15.x allows authenticate

CVE-2019-11537 MEDIUM POC
6.1 Apr 25

In osTicket before 1.12, XSS exists via /upload/file.php, /upload/scp/users.php?do=import-users, and /upload/scp/ajax.ph

CVE-2018-7196 MEDIUM POC
6.1 Mar 27

Cross-site scripting (XSS) vulnerability in /scp/index.php in Enhancesoft osTicket before 1.10.2 allows remote attackers

CVE-2018-7193 MEDIUM POC
6.1 Mar 27

Cross-site scripting (XSS) vulnerability in /scp/directory.php in Enhancesoft osTicket before 1.10.2 allows remote attac

CVE-2025-26241 MEDIUM POC
6.5 May 05

A SQL injection vulnerability in the "Search" functionality of "tickets.php" page in osTicket <=1.17.5 allows authentica

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