CVE-2023-27842

HIGHNVD 8.88.8—Trending — 3 sources updated this weekElevated

8.8

Insecure Permissions vulnerability found in Extplorer File manager eXtplorer v.2.1.15 allows a remote attacker to execute arbitrary code via the index.php compenent

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 97.7%
KEV: Not listed

Published

March 21, 2023

Last Modified

February 26, 2025

References (10)

cve@mitrehttp://blog.tristaomarinho.com/extplorer-2-1-15-insecure-permissions-following-remote-code-execution/
cve@mitrehttp://extplorer.net/
cve@mitrehttp://extplorer.net/attachments/download/99/eXtplorer_2.1.15.zip
cve@mitrehttps://github.com/tristao-marinho/CVE-2023-27842
cve@mitrehttps://github.com/tristao-marinho/CVE-2023-27842/blob/main/README.md
af854a3a-2127-422b-91ae-364da2661108http://blog.tristaomarinho.com/extplorer-2-1-15-insecure-permissions-following-remote-code-execution/
af854a3a-2127-422b-91ae-364da2661108http://extplorer.net/
af854a3a-2127-422b-91ae-364da2661108http://extplorer.net/attachments/download/99/eXtplorer_2.1.15.zip
af854a3a-2127-422b-91ae-364da2661108https://github.com/tristao-marinho/CVE-2023-27842
af854a3a-2127-422b-91ae-364da2661108https://github.com/tristao-marinho/CVE-2023-27842/blob/main/README.md

Weakness Classification(1)

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

CWE-277

Data Freshness Timeline

(refreshed 10× in last 7d / 10× 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.

2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-25 04:56 UTCEG score recompute
2026-05-25 04:56 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCcowsecurity/CVE-2023-27842
First seen Mar 25, 2023
Open source ↗

Frequently asked(5)

What is CVE-2023-27842?

CVE-2023-27842 is a high vulnerability published on March 21, 2023. Insecure Permissions vulnerability found in Extplorer File manager eXtplorer v.2.1.15 allows a remote attacker to execute arbitrary code via the index.php compenent

When was CVE-2023-27842 disclosed?

CVE-2023-27842 was first published in the National Vulnerability Database on March 21, 2023, with the most recent update on February 26, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-27842 actively exploited?

CVE-2023-27842 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-27842?

CVE-2023-27842 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-27842?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-27842, 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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