CVE-2021-47157

CRITICAL
Published Mar 18, 2024 Modified Apr 15, 2026 CWE-346

Description

The Kossy module before 0.60 for Perl allows JSON hijacking because of X-Requested-With mishandling.

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CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-346 CWE-346

References

Frequently Asked Questions

What is CVE-2021-47157? +
The Kossy module before 0.60 for Perl allows JSON hijacking because of X-Requested-With mishandling. It has a CVSS v3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2021-47157? +
CVE-2021-47157 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
How do I check if I'm vulnerable to CVE-2021-47157? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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