How severe is CVE-2021-42193?

CVE-2021-42193 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-2021-42193 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42193?

CVE-2021-42193 affects Nopcommerce. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42193?

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

Does CVE-2021-42193 have an EU (EUVD) identifier?

Yes. CVE-2021-42193 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-29175.

When was CVE-2021-42193 published?

CVE-2021-42193 was published on 2025-10-03 and last updated on 2026-07-05.

CVE-2021-42193

CVE-2021-42193 is a medium-severity vulnerability in Nopcommerce 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)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-29175
Weakness: CWE-79
Affected product: Nopcommerce
Published: 2025-10-03
Last modified: 2026-07-05

Description

nopCommerce 4.40.3 is vulnerable to XSS in the Product Name at /Admin/Product/Edit/[id]. Each time a user views the product in the shop, the XSS payload fires.

Frequently asked questions

What is CVE-2021-42193?: nopCommerce 4.40.3 is vulnerable to XSS in the Product Name at /Admin/Product/Edit/[id]. Each time a user views the product in the shop, the XSS payload fires.
How severe is CVE-2021-42193?: CVE-2021-42193 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-2021-42193 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42193?: CVE-2021-42193 affects Nopcommerce. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42193?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-42193 have an EU (EUVD) identifier?: Yes. CVE-2021-42193 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-29175.
When was CVE-2021-42193 published?: CVE-2021-42193 was published on 2025-10-03 and last updated on 2026-07-05.

References

https://cxsecurity.com/issue/WLB-2025100002

EU advisories (EUVD)

Affected products (1)

cpe:2.3:a:nopcommerce:nopcommerce:4.40.3:*:*:*:*:*:*:*

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