How severe is CVE-2021-4260?

CVE-2021-4260 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2021-4260 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4260?

CVE-2021-4260 affects Oils-js Project Oils-js. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4260?

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

When was CVE-2021-4260 published?

CVE-2021-4260 was published on 2022-12-19 and last updated on 2026-06-17.

CVE-2021-4260

CVE-2021-4260 is a medium-severity vulnerability in Oils-js Project Oils-js with a CVSS 3.x base score of 6.3. 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-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Oils-js Project Oils-js
Published: 2022-12-19
Last modified: 2026-06-17

Description

A vulnerability was found in oils-js. It has been declared as critical. This vulnerability affects unknown code of the file core/Web.js. The manipulation leads to open redirect. The attack can be initiated remotely. The name of the patch is fad8fbae824a7d367dacb90d56cb02c5cb999d42. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216268.

Frequently asked questions

What is CVE-2021-4260?: A vulnerability was found in oils-js. It has been declared as critical. This vulnerability affects unknown code of the file core/Web.js. The manipulation leads to open redirect. The attack can be initiated remotely. The name of the patch is fad8fbae824a7d367dacb90d56cb02c5cb999d42. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216268.
How severe is CVE-2021-4260?: CVE-2021-4260 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2021-4260 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4260?: CVE-2021-4260 affects Oils-js Project Oils-js. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4260?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-4260 published?: CVE-2021-4260 was published on 2022-12-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oils-js_project:oils-js:*:*:*:*:*:node.js:*:*

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