What’s Vulnerable › Vulnerabilities

CVE-2023-52431

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-13 · updated 2026-06-17
• Weakness: CWE-352

Description

The Plack::Middleware::XSRFBlock package before 0.0.19 for Perl allows attackers to bypass a CSRF protection mechanism via an empty form value and an empty cookie (if signed cookies are disabled).

Affected products

• Plack::Middleware::Xsrfblock Project Plack::Middleware::Xsrfblock: before 0.0.19 — fixed in 0.0.19

How to fix

Upgrade to a fixed version: Plack::Middleware::Xsrfblock Project Plack::Middleware::Xsrfblock 0.0.19. Check the vendor advisory for mitigations.

References

• https://github.com/briandfoy/cpan-security-advisory/blob/9374f98bef51e1ae887f293234050551c079776f/cpansa/CPANSA-Plack-Middleware-XSRFBlock.yml#L2-L15
• https://metacpan.org/release/DAKKAR/Plack-Middleware-XSRFBlock-0.0.19/source/Changes
• https://github.com/briandfoy/cpan-security-advisory/blob/9374f98bef51e1ae887f293234050551c079776f/cpansa/CPANSA-Plack-Middleware-XSRFBlock.yml#L2-L15
• https://metacpan.org/release/DAKKAR/Plack-Middleware-XSRFBlock-0.0.19/source/Changes

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