Potential XSS in PrestaShop contactform
Priority MEDIUM 43CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.01223 68th percentileScored 2026-11-07
Fix Fixed contactform (PrestaShop): 4.3.0prestashop/contactform (Packagist): 4.3.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| PrestaShop | contactform | before 4.3.0 | 4.3.0 | Patch available | CNA |
| — | prestashop/contactform (Packagist) | 1.0.1 to before 4.3.0 | 4.3.0 | Patch available | GHSA-95hx-62rh-gg96 |
- contactform VendorPrestaShop Affected before 4.3.0 Fixed in 4.3.0 Patch available CNA
- prestashop/contactform (Packagist) Vendor— Affected 1.0.1 to before 4.3.0 Fixed in 4.3.0 Patch available GHSA-95hx-62rh-gg96
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:prestashop:contactform:*:*:*:*:*:prestashop:*:* | before 4.3.0 | Vulnerable | PrestaShop |
- cpe:2.3:a:prestashop:contactform:*:*:*:*:*:prestashop:*:* Versions before 4.3.0 Vulnerable ·PrestaShop
Remediation
- Fix · CNA contactform (PrestaShop) Fixed in 4.3.0
- Fix · GHSA-95hx-62rh-gg96 prestashop/contactform (Packagist) Fixed in 4.3.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-15178
- 2026-10-03 Alias added: GHSA-95hx-62rh-gg96
References
Advisory 3
Sources
- CVE-2020-15178 · CVE Program
- CVE-2020-15178 · NVD
- FIRST EPSS
- GHSA-95hx-62rh-gg96 · GitHub Advisory Database · CC BY 4.0
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