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Vulnerabilities

Vulnerability · CVE-2025-57318

A Prototype Pollution vulnerability in the toCsv function of csvjson versions thru 5.1.0 allows attackers to inject properties on Object.prototype via supplying a crafted payload,

Published Sep 24, 2025 · catalog updated Sep 25, 2025 · A Prototype Pollution vulnerability

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-57318. EPSS is 0.39%. Act only if a listed version of A Prototype Pollution vulnerability is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A Prototype Pollution vulnerability).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.39%
Remediation
Vendor / distro source
Affected products
vendor n/a n/a n/a

A Prototype Pollution vulnerability in the toCsv function of csvjson versions thru 5.1.0 allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor n/a n/a n/an/a

How to fix CVE-2025-57318

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-57318. EPSS is 0.39%. Act only if a listed version of A Prototype Pollution vulnerability is installed.

Which versions are affected?

Compare what you have installed with n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.39%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 24, 2025 · EUVD

    Detected

    A Prototype Pollution vulnerability in the toCsv function of csvjson versions thru 5.1.0 allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

  2. Sep 25, 2025 · EUVD

    Updated

    A Prototype Pollution vulnerability in the toCsv function of csvjson versions thru 5.1.0 allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Sources

  • CVE.orgVulnerability recordCVE-2025-57318

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-57318

    30-day exploitation probability 0.39%

    first.org
  • EUVDVulnerability recordEUVD-2025-31049

    A Prototype Pollution vulnerability in the toCsv function of csvjson versions thru 5.1.0 allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • CVE.orgOct 23, 2026
  • EUVDOct 23, 2026