Possible React2Shell CVE-2025-55182 Prototype Pollution Exploitation

PremiumReviewedSigma · High · v1
Category
webserver
Author
HuntRule
Published
2026-09-08
Updated
2026-09-08

ATT&CK techniques

Initial Access → Execution
  1. Recon

  2. Resource Dev

  3. Persistence

  4. Priv Esc

  5. Defense Evasion

  6. Cred Access

  7. Discovery

  8. Lateral Movement

  9. Collection

  10. C2

  11. Exfiltration

  12. Impact

What it detects

This rule detects web requests carrying prototype pollution markers that reach Node.js command execution primitives. This is the exploitation pattern for CVE-2025-55182 also known as React2Shell against public facing Node.js and React applications.

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Possible React2Shell CVE-2025-55182 Prototype Pollution Exploitation
Pivot detection · T1190 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.