How severe is CVE-2019-7939?

CVE-2019-7939 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-7939 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-7939?

CVE-2019-7939 affects Magento. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-7939?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-7939 published?

CVE-2019-7939 was published on 2019-08-02 and last updated on 2026-06-17.

CVE-2019-7939

CVE-2019-7939 is a medium-severity vulnerability in Magento with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Magento
Published: 2019-08-02
Last modified: 2026-06-17

Description

A reflected cross-site scripting vulnerability exists on the customer cart checkout page of Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2. This could be exploited by sending a victim a crafted URL that results in malicious javascript execution in the victim's browser.

Frequently asked questions

What is CVE-2019-7939?: A reflected cross-site scripting vulnerability exists on the customer cart checkout page of Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2. This could be exploited by sending a victim a crafted URL that results in malicious javascript execution in the victim's browser.
How severe is CVE-2019-7939?: CVE-2019-7939 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-7939 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-7939?: CVE-2019-7939 affects Magento. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-7939?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-7939 published?: CVE-2019-7939 was published on 2019-08-02 and last updated on 2026-06-17.

References

https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-23

Affected products (1)

cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*

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