CVE-2025-57820

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Source
https://cve.org/CVERecord?id=CVE-2025-57820
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-57820.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-57820
Aliases
Published
2025-08-26T22:33:19.100Z
Modified
2026-04-02T12:55:44.299309Z
Severity
  • 7.9 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H CVSS Calculator
Summary
Svelte devalue vulnerable to prototype pollution
Details

Svelte devalue is a utility library. Prior to version 5.3.2, a string passed to devalue.parse could represent an object with a proto property and devalue.parse does not check that an index is numeric. This could result in assigning prototypes to objects and properties, leading to prototype pollution. This issue has been fixed in version 5.3.2

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/57xxx/CVE-2025-57820.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-1321"
    ]
}
References

Affected packages

Git / github.com/sveltejs/devalue

Affected ranges

Type
GIT
Repo
https://github.com/sveltejs/devalue
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
86a6a66d2c830514e94326a0f8fa2d8d670eac8a

Affected versions

v1.*
v1.0.0
v1.0.1
v1.0.2
v1.0.3
v1.0.4
v1.1.0
v1.1.1
v2.*
v2.0.0
v2.0.1
v3.*
v3.0.1
v3.1.0
v3.1.1
v3.1.2
v3.1.3
v4.*
v4.0.0
v4.0.1
v4.1.0
v4.2.0
v4.2.1
v4.2.2
v4.2.3
v4.3.0
v4.3.1
v4.3.2
v4.3.3
v5.*
v5.0.0
v5.1.0
v5.1.1
v5.3.0
v5.3.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-57820.json"