CVE-2024-21549: Browsershot Improper Input Validation vulnerability

December 20, 2024

Versions of the package spatie/browsershot before 5.0.3 are vulnerable to Improper Input Validation due to improper URL validation through the setUrl method. An attacker can exploit this vulnerability by utilizing view-source:file://, which allows for arbitrary file reading on a local file.

Note:

This is a bypass of the fix for CVE-2024-21544.

References

github.com/advisories/GHSA-c9f5-29f6-c35w
github.com/spatie/browsershot
github.com/spatie/browsershot/commit/f791ce0ae8dd99367dbfa30588ee31e1196e1728
github.com/spatie/browsershot/discussions/906
nvd.nist.gov/vuln/detail/CVE-2024-21549
security.snyk.io/vuln/SNYK-PHP-SPATIEBROWSERSHOT-8533023

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