CVE-2023-53909

Name: CVE-2023-53909
Creator: NVD / NIST
Published: 2025-12-17T23:15:49.193+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2023-53909 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

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

CVSS 4.0

5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.27%

18.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wbce	Wbce Cms	1.6.1

References

https://wbce-cms.org/Product
https://www.exploit-db.com/exploits/51484Exploit, Third Party Advisory, VDB Entry
https://www.vulncheck.com/advisories/wbce-cms-svg-file-content-cross-site-scriptingExploit, Third Party Advisory
https://www.exploit-db.com/exploits/51484Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Dec 17, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-53909?

How severe is CVE-2023-53909?

CVE-2023-53909 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2023-53909?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-53909?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST