What is the CVSS score of CVE-2020-15178?

CVE-2020-15178 has a CVSS 3.1 base score of 9.3 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N. EPSS exploitation probability: 1.2%.

Is there a patch available for CVE-2020-15178?

Yes, a patch is available for CVE-2020-15178. Update the affected software to the latest version immediately.

Contactform CVE-2020-15178

CRITICAL

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

2020-09-15 security-advisories@github.com

XSS Contactform

9.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.3 CRITICAL

AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Sep 15, 2020 - 18:15 nvd

CRITICAL 9.3

DescriptionNVD

In PrestaShop contactform module (prestashop/contactform) before version 4.3.0, an attacker is able to inject JavaScript while using the contact form. The message field was incorrectly unescaped, possibly allowing attackers to execute arbitrary JavaScript in a victim's browser.

AnalysisAI

In PrestaShop contactform module (prestashop/contactform) before version 4.3.0, an attacker is able to inject JavaScript while using the contact form. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.

Technical ContextAI

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. In PrestaShop contactform module (prestashop/contactform) before version 4.3.0, an attacker is able to inject JavaScript while using the contact form. The message field was incorrectly unescaped, possibly allowing attackers to execute arbitrary JavaScript in a victim's browser. Affected products include: Prestashop Contactform. Version information: version 4.3.0.

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.