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.
CVE-2020-15178
HIGHNVD 8.08.0
EchelonGraph scoreLOW confidence
This high-severity CVE scores 8.0 under NVD CVSS v3. EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: nvd
8.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.0Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.0
- EG Score
- 8.0(low)
- EPSS
- 65.2%
- KEV
- Not listed
Published
September 15, 2020
Last Modified
November 21, 2024
References (6)
- security-advisories@githubhttps://github.com/PrestaShop/contactform/commit/ecd9f5d14920ec00885766a7cb41bcc5ed8bfa09
- security-advisories@githubhttps://github.com/PrestaShop/contactform/security/advisories/GHSA-95hx-62rh-gg96
- security-advisories@githubhttps://packagist.org/packages/prestashop/contactform
- af854a3a-2127-422b-91ae-364da2661108https://github.com/PrestaShop/contactform/commit/ecd9f5d14920ec00885766a7cb41bcc5ed8bfa09
- af854a3a-2127-422b-91ae-364da2661108https://github.com/PrestaShop/contactform/security/advisories/GHSA-95hx-62rh-gg96
- af854a3a-2127-422b-91ae-364da2661108https://packagist.org/packages/prestashop/contactform
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2020-15178?
CVE-2020-15178 is a high vulnerability published on September 15, 2020. 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.
When was CVE-2020-15178 disclosed?
CVE-2020-15178 was first published in the National Vulnerability Database on September 15, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-15178 actively exploited?
CVE-2020-15178 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-15178?
CVE-2020-15178 has a CVSS v3 base score of 8.0 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2020-15178?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15178, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2020-15178
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