CVE-2020-23828
A File Upload vulnerability in SourceCodester Online Course Registration v1.0 allows remote attackers to achieve Remote Code Execution (RCE) on the hosting webserver by uploading a crafted PHP web-shell that bypasses the image upload filters.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A File Upload vulnerability in SourceCodester Online Course Registration v1.0 allows remote attackers to achieve Remote Code Execution (RCE) on the hosting webserver by uploading a crafted PHP web-shell that bypasses the image upload filters. An attack uses /Online%20Course%20Registration/my-profile.php with the POST parameter photo.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.11% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- online course registration project/online course registration
- Source
- cve@mitre.org
EPSS 4.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://www.exploit-db.com/exploits/48704Exploit, Third Party Advisory, VDB Entry
- https://www.sourcecodester.com/php/14251/online-course-registration.htmlExploit, Vendor Advisory
- https://www.exploit-db.com/exploits/48704Exploit, Third Party Advisory, VDB Entry
- https://www.sourcecodester.com/php/14251/online-course-registration.htmlExploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.