CVE-2023-53876

MEDIUM
Published Dec 15, 2025 Modified Dec 18, 2025 CWE-434

Description

Academy LMS 6.1 contains a file upload vulnerability that allows authenticated users to upload malicious SVG files with stored cross-site scripting payloads. Attackers can inject malicious scripts through the profile avatar upload feature by modifying file extensions and embedding executable JavaScript code.

CVSS v3.1 Score

5.4
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor Product
creativeitem academy_lms

References

Frequently Asked Questions

What is CVE-2023-53876? +
Academy LMS 6.1 contains a file upload vulnerability that allows authenticated users to upload malicious SVG files with stored cross-site scripting payloads. Attackers can inject malicious scripts through the profile avatar upload feature by modifying file extensions and embedding executable JavaScript code. It has a CVSS v3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2023-53876? +
CVE-2023-53876 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2023-53876? +
CVE-2023-53876 affects products from creativeitem, specifically: academy_lms. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-53876? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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