How severe is CVE-2023-53939?

CVE-2023-53939 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-53939 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53939?

CVE-2023-53939 affects Tinywebgallery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53939?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-53939 have an EU (EUVD) identifier?

Yes. CVE-2023-53939 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204340.

When was CVE-2023-53939 published?

CVE-2023-53939 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2023-53939

CVE-2023-53939 is a medium-severity vulnerability in Tinywebgallery with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204340
Weakness: CWE-79
Affected product: Tinywebgallery
Published: 2025-12-18
Last modified: 2026-06-17

Description

TinyWebGallery v2.5 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the folder name parameter. Attackers can edit album folder names with script tags to execute arbitrary JavaScript when other users view the affected gallery pages.

Frequently asked questions

What is CVE-2023-53939?: TinyWebGallery v2.5 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the folder name parameter. Attackers can edit album folder names with script tags to execute arbitrary JavaScript when other users view the affected gallery pages.
How severe is CVE-2023-53939?: CVE-2023-53939 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-53939 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53939?: CVE-2023-53939 affects Tinywebgallery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53939?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-53939 have an EU (EUVD) identifier?: Yes. CVE-2023-53939 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204340.
When was CVE-2023-53939 published?: CVE-2023-53939 was published on 2025-12-18 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Tinywebgallery

CVE-2023-53922 — Critical (CVSS 9.8): TinyWebGallery v2.5 contains a remote code execution vulnerability in the admin upload functionality that allows…
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,…

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