How severe is CVE-2023-53909?

CVE-2023-53909 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-2023-53909 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53909?

CVE-2023-53909 affects Wbce Wbce Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53909?

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

Does CVE-2023-53909 have an EU (EUVD) identifier?

Yes. CVE-2023-53909 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60221.

When was CVE-2023-53909 published?

CVE-2023-53909 was published on 2025-12-17 and last updated on 2026-06-17.

CVE-2023-53909

CVE-2023-53909 is a medium-severity vulnerability in Wbce Wbce Cms 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% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-60221
Weakness: CWE-79
Affected product: Wbce Wbce Cms
Published: 2025-12-17
Last modified: 2026-06-17

Description

WBCE CMS 1.6.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript by uploading crafted SVG files through the media manager. Attackers can upload SVG files containing script tags to the /wbce/modules/elfinder/ef/php/connector.wbce.php endpoint and execute JavaScript when victims access the uploaded file.

Frequently asked questions

What is CVE-2023-53909?: WBCE CMS 1.6.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript by uploading crafted SVG files through the media manager. Attackers can upload SVG files containing script tags to the /wbce/modules/elfinder/ef/php/connector.wbce.php endpoint and execute JavaScript when victims access the uploaded file.
How severe is CVE-2023-53909?: CVE-2023-53909 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-2023-53909 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53909?: CVE-2023-53909 affects Wbce Wbce Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53909?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-53909 have an EU (EUVD) identifier?: Yes. CVE-2023-53909 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-60221.
When was CVE-2023-53909 published?: CVE-2023-53909 was published on 2025-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wbce:wbce_cms:1.6.1:-:*:*:*:*:*:*

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