CVE-2021-27817: Unrestricted Upload of File with Dangerous Type

May 24, 2022 (updated July 13, 2023)

A remote command execution vulnerability in shopxo 1.9.3 allows an attacker to upload malicious code generated by phar where the suffix is JPG, which is uploaded after modifying the phar suffix.

References

github.com/advisories/GHSA-xx77-w6p5-xvmj
github.com/h4ckdepy/vuls/blob/main/shopxo.md
nvd.nist.gov/vuln/detail/CVE-2021-27817

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