How severe is CVE-2024-21517?

CVE-2024-21517 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-21517 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21517?

CVE-2024-21517 affects Opencart. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-21517?

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

Does CVE-2024-21517 have an EU (EUVD) identifier?

Yes. CVE-2024-21517 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2138.

When was CVE-2024-21517 published?

CVE-2024-21517 was published on 2024-06-22 and last updated on 2026-06-17.

CVE-2024-21517

CVE-2024-21517 is a medium-severity vulnerability in Opencart with a CVSS 3.x base score of 4.2. 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 4.2)
CVSS v4: 1.2
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2138
Weakness: CWE-79
Affected product: Opencart
Published: 2024-06-22
Last modified: 2026-06-17

Description

This affects versions of the package opencart/opencart from 4.0.0.0. A reflected XSS issue was identified in the redirect parameter of customer account/login route. An attacker can inject arbitrary HTML and Javascript into the page response. As this vulnerability is present in the account functionality it could be used to target and attack customers of the OpenCart shop. **Notes:** 1) The fix for this vulnerability is incomplete

Frequently asked questions

What is CVE-2024-21517?: This affects versions of the package opencart/opencart from 4.0.0.0. A reflected XSS issue was identified in the redirect parameter of customer account/login route. An attacker can inject arbitrary HTML and Javascript into the page response. As this vulnerability is present in the account functionality it could be used to target and attack customers of the OpenCart shop. **Notes:** 1) The fix for this vulnerability is incomplete
How severe is CVE-2024-21517?: CVE-2024-21517 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-21517 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21517?: CVE-2024-21517 affects Opencart. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21517?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21517 have an EU (EUVD) identifier?: Yes. CVE-2024-21517 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2138.
When was CVE-2024-21517 published?: CVE-2024-21517 was published on 2024-06-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opencart:opencart:*:*:*:*:*:*:*:*

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