How severe is CVE-2023-53922?

CVE-2023-53922 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-2023-53922 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53922?

CVE-2023-53922 affects Tinywebgallery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53922?

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-2023-53922 have an EU (EUVD) identifier?

Yes. CVE-2023-53922 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60209.

When was CVE-2023-53922 published?

CVE-2023-53922 was published on 2025-12-17 and last updated on 2026-06-17.

CVE-2023-53922

CVE-2023-53922 is a critical-severity vulnerability in Tinywebgallery 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-60209
Weakness: CWE-434
Affected product: Tinywebgallery
Published: 2025-12-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-53922?: 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.
How severe is CVE-2023-53922?: CVE-2023-53922 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-2023-53922 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53922?: CVE-2023-53922 affects Tinywebgallery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53922?: 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-2023-53922 have an EU (EUVD) identifier?: Yes. CVE-2023-53922 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60209.
When was CVE-2023-53922 published?: CVE-2023-53922 was published on 2025-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tinywebgallery:tinywebgallery:2.5:*:*:*:*:*:*:*

More vulnerabilities in Tinywebgallery

CVE-2012-5347 — High (CVSS 7.5): TinyWebGallery 1.8.3 allows remote attackers to execute arbitrary code via shell metacharacters in the command…
CVE-2006-4166 — High (CVSS 7.5): PHP remote file inclusion vulnerability in TinyWebGallery 1.5 and earlier allows remote attackers to execute arbitrary…
CVE-2012-2931 — High (CVSS 7.2): PHP code injection in TinyWebGallery before 1.8.8 allows remote authenticated users with admin privileges to inject…
CVE-2012-2930 — Medium (CVSS 6.8): Multiple cross-site request forgery (CSRF) vulnerabilities in TinyWebGallery (TWG) before 1.8.8 allow remote attackers…
CVE-2009-1911 — Medium (CVSS 6.8): Directory traversal vulnerability in .include/init.php (aka admin/_include/init.php) in QuiXplorer 2.3.2 and earlier,…
CVE-2023-53939 — Medium (CVSS 5.4): TinyWebGallery v2.5 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject…

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