HOMEVULNERABILITIESCVE-2023-53876
MEDIUM

CVE-2023-53876

CWE-434Published: December 15, 2025· Updated: Jun 17, 2026

5.4
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-53876 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionRequired
ScopeChanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected Vendors & Products

creativeitem1 product(s)
academy lms
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.exploit-db.com/exploits/51702
ADVISORYhttps://www.vulncheck.com/advisories/academy-lms-arbitrary-file-upload-vulnerability-via-profile-settings
ADVISORYhttps://www.exploit-db.com/exploits/51702

All References (4)

→
https://academylms.net/Product
→
https://www.exploit-db.com/exploits/51702Exploit · Third Party Advisory
→
https://www.vulncheck.com/advisories/academy-lms-arbitrary-file-upload-vulnerability-via-profile-settingsThird Party Advisory
→
https://www.exploit-db.com/exploits/51702Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2023-53876
CVSS Score5.4 / 10
SeverityMEDIUM
WeaknessCWE-434
CISA KEVNo
Affected1 vendor(s)
PublishedDec 15, 2025

Related CVEs (CWE-434)

CVE-2019-7268
10.0
CVE-2025-6327
10.0
CVE-2026-57700
KEV10.0
CVE-2026-45444
KEV10.0
CVE-2025-49885
10.0
CVE-2026-61900
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-53876 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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