CVE-2020-36827

MEDIUMNVD 5.45.4—

5.4

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

CVSS v3: 5.4
EG Score: 5.4(medium)
EPSS: 23.6%
KEV: Not listed

Published

March 24, 2024

Last Modified

April 15, 2026

References (4)

cve@mitrehttps://github.com/amaltsev/XAO-Web/commit/20dd1d3bc5b811503f5722a16037b60197fe7ef4
cve@mitrehttps://metacpan.org/dist/XAO-Web/changes
af854a3a-2127-422b-91ae-364da2661108https://github.com/amaltsev/XAO-Web/commit/20dd1d3bc5b811503f5722a16037b60197fe7ef4
af854a3a-2127-422b-91ae-364da2661108https://metacpan.org/dist/XAO-Web/changes

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-791

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
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2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2020-36827?

CVE-2020-36827 is a medium vulnerability published on March 24, 2024. The XAO::Web module before 1.84 for Perl mishandles < and > characters in JSON output during use of json-embed in Web::Action.

When was CVE-2020-36827 disclosed?

CVE-2020-36827 was first published in the National Vulnerability Database on March 24, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-36827 actively exploited?

CVE-2020-36827 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-36827?

CVE-2020-36827 has a CVSS v3 base score of 5.4 (NVD).

How do I remediate CVE-2020-36827?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-36827, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-36827

📅 Published

🔄 Last Modified

🔗 References (4)