How severe is CVE-2023-53894?

CVE-2023-53894 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-53894 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53894?

CVE-2023-53894 affects Dulldusk Phpfilemanager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53894?

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

Does CVE-2023-53894 have an EU (EUVD) identifier?

Yes. CVE-2023-53894 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60196.

When was CVE-2023-53894 published?

CVE-2023-53894 was published on 2025-12-16 and last updated on 2026-06-17.

CVE-2023-53894

CVE-2023-53894 is a critical-severity vulnerability in Dulldusk Phpfilemanager with a CVSS 3.x base score of 9.8. 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-1390.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-60196
Weakness: CWE-1390
Affected product: Dulldusk Phpfilemanager
Published: 2025-12-16
Last modified: 2026-06-17

Description

phpfm 1.7.9 contains an authentication bypass vulnerability that allows attackers to log in by exploiting loose type comparison in password hash validation. Attackers can craft specific password hashes beginning with 0e or 00e to bypass authentication and upload malicious PHP files to the server.

Frequently asked questions

What is CVE-2023-53894?: phpfm 1.7.9 contains an authentication bypass vulnerability that allows attackers to log in by exploiting loose type comparison in password hash validation. Attackers can craft specific password hashes beginning with 0e or 00e to bypass authentication and upload malicious PHP files to the server.
How severe is CVE-2023-53894?: CVE-2023-53894 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-53894 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53894?: CVE-2023-53894 affects Dulldusk Phpfilemanager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53894?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-53894 have an EU (EUVD) identifier?: Yes. CVE-2023-53894 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60196.
When was CVE-2023-53894 published?: CVE-2023-53894 was published on 2025-12-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dulldusk:phpfilemanager:1.7.9:*:*:*:*:*:*:*

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