What’s Vulnerable › Vulnerabilities

CVE-2020-36827

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-03-24 · updated 2026-06-17
• Weakness: CWE-791

Description

The XAO::Web module before 1.84 for Perl mishandles < and > characters in JSON output during use of json-embed in Web::Action.

References

• https://github.com/amaltsev/XAO-Web/commit/20dd1d3bc5b811503f5722a16037b60197fe7ef4
• https://metacpan.org/dist/XAO-Web/changes
• https://github.com/amaltsev/XAO-Web/commit/20dd1d3bc5b811503f5722a16037b60197fe7ef4
• https://metacpan.org/dist/XAO-Web/changes

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