Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-15178

28
FAUCET Score

CVE-2020-15178 is a critical cross-site scripting (XSS) vulnerability affecting the PrestaShop contactform module versions prior to 4.3.0. An attacker can inject arbitrary JavaScript into the 'message' field, which is then unescaped, allowing for client-side code execution in a victim's browser. With a CVSS score of 9.3 (Critical), this vulnerability has a low attack complexity and high impact on confidentiality and integrity, requiring user interaction for exploitation. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.3.0CPE matchmatch criteria
cpe:2.3:a:prestashop:contactform:*:*:*:*:*:prestashop:*:*

CVSS Data

CVSS version used by this source: 3.1

8.0HIGH

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.22%
Probability of exploitation in next 30 days
EPSS Percentile
65.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0122 is in the 72nd percentile among its peer group of 836 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: prestashop/contactformFixed in: 4.3.0
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-95hx-62rh-gg96high

Potential XSS injection In PrestaShop contactform

Sep 15, 2020

References

github.com / PrestaShop/contactform/commit/ecd9f5d14920ec00885766a7cb41bcc5ed8bfa09
PatchThird Party Advisory
github.com / PrestaShop/contactform/security/advisories/GHSA-95hx-62rh-gg96
Third Party Advisory
packagist.org / packages/prestashop/contactform
Vendor Advisory