CVE-2025-57321
CVE-2025-57321 is a critical-severity vulnerability in Magix-combine-ex Project Magix-combine-ex with a CVSS 3.x base score of 9.8. 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-1321.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-31056
- Weakness: CWE-1321
- Affected product: Magix-combine-ex Project Magix-combine-ex
- Published:
- Last modified:
Description
A Prototype Pollution vulnerability in the util-deps.addFileDepend function of magix-combine-ex versions thru 1.2.10 allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.
Frequently asked questions
- What is CVE-2025-57321?
- A Prototype Pollution vulnerability in the util-deps.addFileDepend function of magix-combine-ex versions thru 1.2.10 allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.
- How severe is CVE-2025-57321?
- CVE-2025-57321 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-57321 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-57321?
- CVE-2025-57321 affects Magix-combine-ex Project Magix-combine-ex. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-57321?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-57321 have an EU (EUVD) identifier?
- Yes. CVE-2025-57321 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31056.
- When was CVE-2025-57321 published?
- CVE-2025-57321 was published on 2025-09-24 and last updated on 2026-06-17.
References
- https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/magix-combine-ex%401.2.10/index.js
- https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57321
Affected products (1)
- cpe:2.3:a:magix-combine-ex_project:magix-combine-ex:*:*:*:*:*:node.js:*:*
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