VDB
CVE-2025-13204
CVE-2025-13204
PUBLISHED
CVSS 7.300000190734863 HIGH
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.
EPSS 0.06% · 17.8th percentile
Risk Scores
CVSS v3.1
7.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score
0.06%
17.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| npm | expr-eval | 0 |
| silentmatt | javascript_expression_evaluator | |
| silentmatt | expr-eval | 0 |
| npm | expr-eval-fork | 0 |
Timeline
- Nov 14, 2025 CVE Published
- Nov 14, 2025 Coalition ESS Score
- Nov 14, 2025 PoC Published
- Nov 15, 2025 EPSS Score
- Nov 16, 2025 Coalition ESS Score
- Nov 20, 2025 EPSS Score
- Nov 21, 2025 Coalition ESS Score
- Nov 25, 2025 EPSS Score
- Nov 30, 2025 EPSS Score
- Dec 3, 2025 Coalition ESS Score
- Dec 5, 2025 EPSS Score
- Dec 10, 2025 EPSS Score
References
- https://www.npmjs.com/package/expr-eval-fork url
- https://github.com/silentmatt/expr-eval url
- https://github.com/jorenbroekema/expr-eval url
- https://www.huntr.dev/bounties/1-npm-expr-eval/ third-party-advisory
- https://github.com/SECCON/SECCON2022_final_CTF/blob/main/jeopardy/web/babybox/solver/solver.py url
- https://github.com/silentmatt/expr-eval/pull/252/files patch
- https://github.com/vladko312/extras/blob/f549d505af300fd74a01b46fab2102990ff1c14d/expr-eval.py exploit
- https://nvd.nist.gov/vuln/detail/CVE-2025-13204 advisory
- https://github.com/jorenbroekema/expr-eval/commit/6c475a118643ae0efe012de283e932fb8b74324b url
- https://github.com/silentmatt/expr-eval/commit/6e889e0e75c50ac37d70c35388602025650e0c50 url
- https://www.huntr.dev/bounties/1-npm-expr-eval url