XSS in Prestashop Contactform

CVE-2020-15178

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.012 (65.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-15178?
CVE-2020-15178 is a high-severity vulnerability in Prestashop Contactform, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2020-09-15.
How severe is CVE-2020-15178?
High severity. CVSS v3 base score is 8.0 out of 10.