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CVE-2025-40915

Good to know:

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Date: June 11, 2025

Mojolicious::Plugin::CSRF 1.03 for Perl uses a weak random number source for generating CSRF tokens. That version of the module generates tokens as an MD5 of the process id, the current time, and a single call to the built-in rand() function.

Severity Score

Related Resources (4)

https://metacpan.org/release/GRYPHON/Mojolicious-Plugin-CSRF-1.04/changes
https://metacpan.org/release/GRYPHON/Mojolicious-Plugin-CSRF-1.04/diff/GRYPHON/Mojolicious-Plugin-CSRF-1.03
https://nvd.nist.gov/vuln/detail/CVE-2025-40915
https://www.mend.io/vulnerability-database/CVE-2025-40915

Severity Score

Weakness Type (CWE)

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

CWE-338

Top Fix

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Upgrade Version

Upgrade to version https://github.com/gryphonshafer/Mojo-Plugin-CSRF.git - v1.04

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): LOW

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