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Fencer Vulns
critical 9.8

CVE-2022-22912 json

Prototype pollution in Plist before 3.0.5 can cause denial of service

published 2022-02-17 4 y ago modified 2026-06-17 4 mo ago also GHSA-4cpg-3vgw-4877 , EUVD-2022-0808

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

Prototype pollution vulnerability via .parse() in Plist before v3.0.4 allows attackers to cause a Denial of Service (DoS) and may lead to remote code execution.

Patch / fix

  • npm plist 3.0.5
  • plist_project plist 3.0.6

Exploit prediction

2.55% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/TooTallNate/plist.js/issues/114 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
npm plist
<3.0.5
3.0.5

Classification

Weakness
  • CWE-1321 Improperly Controlled Modification of Object Prototype Attributes

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.