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CVE

CVE-2025-13204

expr-eval vulnerable to Prototype Pollution
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CVE

CVE-2025-13204

expr-eval vulnerable to Prototype Pollution

npm package expr-eval is vulnerable to Prototype Pollution. An attacker with access to express eval interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution. The npm expr-eval-fork package resolves this issue.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.3
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
C
H
U
7.3
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Related Resources

No items found.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-13204, https://github.com/silentmatt/expr-eval/pull/252/files, https://github.com/jorenbroekema/expr-eval/commit/6c475a118643ae0efe012de283e932fb8b74324b, https://github.com/silentmatt/expr-eval/commit/6e889e0e75c50ac37d70c35388602025650e0c50, https://github.com/SECCON/SECCON2022finalCTF/blob/main/jeopardy/web/babybox/solver/solver.py, https://github.com/jorenbroekema/expr-eval, https://github.com/silentmatt/expr-eval, https://github.com/vladko312/extras/blob/f549d505af300fd74a01b46fab2102990ff1c14d/expr-eval.py, https://www.huntr.dev/bounties/1-npm-expr-eval, https://www.npmjs.com/package/expr-eval-fork

Severity

7.3

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.3
EPSS Probability
0.00085%
EPSS Percentile
0.24912%
Introduced Version
0,2.0.0,0.10.0,0.9.0
Fix Available
2.0.2

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