CVE-2021-45806

HIGHNVD 8.88.8—

8.8

jpress v4.2.0 admin panel provides a function through which attackers can modify the template and inject some malicious code.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 74.0%
KEV: Not listed

Published

January 13, 2022

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://jpress.com
cve@mitrehttps://github.com/JPressProjects/jpress
cve@mitrehttps://github.com/JPressProjects/jpress/issues/166
af854a3a-2127-422b-91ae-364da2661108http://jpress.com
af854a3a-2127-422b-91ae-364da2661108https://github.com/JPressProjects/jpress
af854a3a-2127-422b-91ae-364da2661108https://github.com/JPressProjects/jpress/issues/166

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× 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.

2026-06-04 13:10 UTCepss_batch
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Frequently asked(5)

What is CVE-2021-45806?

CVE-2021-45806 is a high vulnerability published on January 13, 2022. jpress v4.2.0 admin panel provides a function through which attackers can modify the template and inject some malicious code.

When was CVE-2021-45806 disclosed?

CVE-2021-45806 was first published in the National Vulnerability Database on January 13, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-45806 actively exploited?

CVE-2021-45806 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-45806?

CVE-2021-45806 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2021-45806?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-45806, 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-2021-45806

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-45806?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)