What is the CVSS score of EUVD-2025-16674?

EUVD-2025-16674 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

How to fix or mitigate EUVD-2025-16674?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Osticket EUVD-2025-16674

| CVE-2025-45387 MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-06-02 cve@mitre.org

PHP XSS Osticket

5.4

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-79 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. Sign in to read
Impact	Attackers can steal session cookies, redirect users to malicious sites, deface content, or perform actions on behalf of authenticated users. With a CVSS score of 5.4 (MEDIUM), this represents a moderate risk.
Exploit ScenarioDerived	An attacker injects a JavaScript payload into a vulnerable input field. When another user views the page, the script executes in their browser, stealing their session token.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 14, 2026

osTicket prior to v1.17.6 and v1.18.2 are vulnerable to Broken Access Control Vulnerability in /scp/ajax.php.

Earlier versions of this analysis (1)

v1 Mar 14, 2026 - 16:47 CVSS 5.4

RemediationAI

A vendor patch is available — apply it immediately. Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

Affected VersionsENISA

n/a n/a

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

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.4 MEDIUM

AV:N/AC:L/PR:L/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

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Patch released

Mar 14, 2026 - 16:47 nvd

Patch available

CVE Published

Jun 02, 2025 - 18:15 nvd

MEDIUM 5.4

Executive ViewAI

Why It Matters

CVE-2025-45387 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.

Threat Intelligence Overview

EPSS Score

0.0%

Top 87% exploitable

Data Quality

5 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

GitHub

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 No

EPSS 0.0%

Patch available Yes

Active threat No

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

Defer

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +27

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Scripting MEDIUM

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

More in Osticket

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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 Emergency 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 Act Now 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

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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

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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-2019-14750 MEDIUM This Month POC

6.1 Aug 07

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 vulne

CVE-2018-7195 HIGH This Week POC

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

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7.5 Jun 14

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

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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 This Month 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 This Month POC

6.1 Mar 27

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

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6.1 Mar 27

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

Same weakness CWE-79 – Cross-site Scripting (XSS)

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CVE-2020-3580 MEDIUM POC

6.1

CVE-2013-7389 MEDIUM POC

4.3

CVE-2021-25299 MEDIUM POC

6.1

CVE-2014-2120 MEDIUM

6.1

CVE-2023-40000 HIGH POC

8.3

CVE-2016-8581 MEDIUM POC

6.1

CVE-2013-5223 MEDIUM POC

5.4

CVE-2025-52367 MEDIUM POC

5.4

Same technique XSS

View all

CVE-2017-9248 CRITICAL POC

9.8

CVE-2013-1710 CRITICAL POC

10.0

CVE-2024-52875 HIGH POC

8.8

References

Advisories & patches

PATCH https://github.com/osTicket/osTicket/pull/6802/commits/ab6672faa0991de305d4b90a3faa2e3cebdd23c8 ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-45387 REF https://github.com/UmerAdeemCheema/CVE-Security-Research/blob/main/OSTicket/Unauthorized%20Access%20to%20Ajax%20Functions.md REF https://github.com/osTicket/osTicket

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

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