Is CVE-2023-53922 in the CISA KEV catalog?

No. CVE-2023-53922 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-53922?

CVE-2023-53922 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-53922?

CVE-2023-53922 has an EPSS score of 0.93% (56th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-53922

CRITICAL

9.8

CVSS v3

NVD

Description

TinyWebGallery v2.5 contains a remote code execution vulnerability in the admin upload functionality that allows unauthenticated attackers to upload malicious PHP files. Attackers can upload .phar files with embedded system commands to execute arbitrary code on the server by accessing the uploaded file's URL.

CWE-434Unrestricted File Upload

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.93%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-24.