How severe is CVE-2020-24408?

CVE-2020-24408 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-2020-24408 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24408?

CVE-2020-24408 primarily affects Magento. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-24408?

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

When was CVE-2020-24408 published?

CVE-2020-24408 was published on 2020-10-16 and last updated on 2026-06-17.

CVE-2020-24408

CVE-2020-24408 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: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Magento
Published: 2020-10-16
Last modified: 2026-06-17

Description

Magento versions 2.4.0 and 2.3.5p1 (and earlier) are affected by a persistent XSS vulnerability that allows users to upload malicious JavaScript via the file upload component. This vulnerability could be abused by an unauthenticated attacker to execute XSS attacks against other Magento users. This vulnerability requires a victim to browse to the uploaded file.

Frequently asked questions

What is CVE-2020-24408?: Magento versions 2.4.0 and 2.3.5p1 (and earlier) are affected by a persistent XSS vulnerability that allows users to upload malicious JavaScript via the file upload component. This vulnerability could be abused by an unauthenticated attacker to execute XSS attacks against other Magento users. This vulnerability requires a victim to browse to the uploaded file.
How severe is CVE-2020-24408?: CVE-2020-24408 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-2020-24408 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24408?: CVE-2020-24408 primarily affects Magento. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-24408?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-24408 published?: CVE-2020-24408 was published on 2020-10-16 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/magento/apsb20-59.html

Affected products (8)

cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
cpe:2.3:a:magento:magento:2.3.5:-:*:*:commerce:*:*:*
cpe:2.3:a:magento:magento:2.3.5:-:*:*:open_source:*:*:*
cpe:2.3:a:magento:magento:2.3.5:p1:*:*:commerce:*:*:*
cpe:2.3:a:magento:magento:2.3.5:p1:*:*:open_source:*:*:*
cpe:2.3:a:magento:magento:2.4.0:*:*:*:commerce:*:*:*
cpe:2.3:a:magento:magento:2.4.0:*:*:*:open_source:*:*:*

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