CVE-2025-13204

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.

The following products are affected by CVE-2025-13204 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-13204.

URL	Resource
https://github.com/SECCON/SECCON2022_final_CTF/blob/main/jeopardy/web/babybox/solver/solver.py
https://github.com/jorenbroekema/expr-eval
https://github.com/silentmatt/expr-eval
https://github.com/silentmatt/expr-eval/pull/252/files
https://github.com/vladko312/extras/blob/f549d505af300fd74a01b46fab2102990ff1c14d/expr-eval.py
https://nvd.nist.gov/vuln/detail/CVE-2025-13204
https://www.cve.org/CVERecord?id=CVE-2025-13204
https://www.huntr.dev/bounties/1-npm-expr-eval/
https://www.npmjs.com/package/expr-eval-fork