How severe is CVE-2023-27842?

CVE-2023-27842 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-27842 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27842?

CVE-2023-27842 affects Extplorer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27842?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-27842 published?

CVE-2023-27842 was published on 2023-03-21 and last updated on 2026-06-17.

CVE-2023-27842

CVE-2023-27842 is a high-severity vulnerability in Extplorer with a CVSS 3.x base score of 8.8. 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-277.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-277
Affected product: Extplorer
Published: 2023-03-21
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-27842?: 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
How severe is CVE-2023-27842?: CVE-2023-27842 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-27842 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27842?: CVE-2023-27842 affects Extplorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27842?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-27842 published?: CVE-2023-27842 was published on 2023-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:extplorer:extplorer:2.1.15:*:*:*:*:*:*:*

More vulnerabilities in Extplorer

CVE-2023-54335 — Critical (CVSS 9.8): eXtplorer 2.1.14 contains an authentication bypass vulnerability that allows attackers to login without a password by…
CVE-2012-6710 — Critical (CVSS 9.8): ext_find_user in eXtplorer through 2.1.2 allows remote attackers to bypass authentication via a password[]= (aka an…
CVE-2023-29657 — High (CVSS 8.8): eXtplorer 2.1.15 is vulnerable to Insecure Permissions. File upload in file manager allows uploading zip file…
CVE-2016-4313 — High (CVSS 7.8): Directory traversal vulnerability in unzip/extract feature in eXtplorer 2.1.9 allows remote attackers to execute…
CVE-2017-12756 — High (CVSS 7.2): Command inject in transfer from another server in extplorer 2.1.9 and prior allows attacker to inject command via the…
CVE-2015-5660 — Medium (CVSS 6.8): Cross-site request forgery (CSRF) vulnerability in eXtplorer before 2.1.8 allows remote attackers to hijack the…

All CVEs affecting Extplorer →

Other CWE-277 vulnerabilities

CVE-2024-36540 — Critical (CVSS 9.8): Insecure permissions in external-secrets v0.9.16 allows attackers to access sensitive data and escalate privileges by…
CVE-2024-36539 — Critical (CVSS 9.8): Insecure permissions in contour v1.28.3 allows attackers to access sensitive data and escalate privileges by obtaining…
CVE-2026-7891 — Critical (CVSS 9.3): The VerySecureApp made by DIVD using Mendix Studio Pro 11.8.0 Beta allows unintended data exposure due to authorization…
CVE-2024-36542 — High (CVSS 8.8): Insecure permissions in kuma v2.7.0 allows attackers to access sensitive data and escalate privileges by obtaining the…
CVE-2024-6605 — High (CVSS 8.8): Firefox Android allowed immediate interaction with permission prompts. This could be used for tapjacking. This…
CVE-2024-34329 — High (CVSS 8.4): Insecure permissions in Entrust Datacard XPS Card Printer Driver 8.5 and earlier without the dxp1-patch-E24-004 patch…

Browse all CWE-277 vulnerabilities →