What is CVE-2020-36827?

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

How severe is CVE-2020-36827?

CVE-2020-36827 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-36827 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-36827?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2020-36827 have an EU (EUVD) identifier?

Yes. CVE-2020-36827 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-24268.

When was CVE-2020-36827 published?

CVE-2020-36827 was published on 2024-03-24 and last updated on 2026-06-17.

CVE-2020-36827

CVE-2020-36827 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-791.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-24268
Weakness: CWE-791
Published: 2024-03-24
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2020-36827?: The XAO::Web module before 1.84 for Perl mishandles < and > characters in JSON output during use of json-embed in Web::Action.
How severe is CVE-2020-36827?: CVE-2020-36827 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-36827 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-36827?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-36827 have an EU (EUVD) identifier?: Yes. CVE-2020-36827 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-24268.
When was CVE-2020-36827 published?: CVE-2020-36827 was published on 2024-03-24 and last updated on 2026-06-17.

References

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