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Vulnerability record · CVE-2021-41646 · published 29 October 2021

CVE-2021-41646: Janobe online reviewer system unrestricted file upload vulnerability

Janobe · Online Reviewer System

Remote Code Execution (RCE) vulnerability exists in Sourcecodester Online Reviewer System 1.0 by uploading a maliciously crafted PHP file that bypasses the image upload filters..

9.8 CVSS 3.1 Critical EPSS 7.2% · top 5.9% CWE-434 · Unrestricted file upload
9.8CVSS 3.1 base score, v2 7.5
7.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

Remote Code Execution (RCE) vulnerability exists in Sourcecodester Online Reviewer System 1.0 by uploading a maliciously crafted PHP file that bypasses the image upload filters..

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.exploit-db.com/exploits/50319 ExploitThird Party AdvisoryVDB Entry
https://www.nu11secur1ty.com/2021/12/cve-2021-41646.html ExploitThird Party Advisory
https://www.exploit-db.com/exploits/50319 ExploitThird Party AdvisoryVDB Entry
https://www.nu11secur1ty.com/2021/12/cve-2021-41646.html ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-2596Janobe online reviewer system sql injection vulnerabilityA vulnerability was found in SourceCodester Online Reviewer System 1.0 and classified as critical. Affected by this issue is some unknown functionali…EPSS 0.83%9.8CVE-2021-27130Janobe online reviewer system sql injection vulnerabilityOnline Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.EPSS 2.2%2.7CVE-2026-36919Janobe online reviewer system sql injection vulnerabilitySourcecodester Online Reviewer System v1.0 is vulnerale to SQL Injection in the file /system/system/admins/assessments/examproper/exam-update.php.EPSS 0.32%2.7CVE-2026-36920Janobe online reviewer system sql injection vulnerabilitySourcecodester Online Reviewer System v1.0 is vulnerable to SQL Injection in the file /system/system/admins/assessments/examproper/questions-view.php.EPSS 0.32%10.0CVE-2026-56291Balbooa Forms Joomla extension unauthenticated arbitrary file upload RCEThe Balbooa Forms extension for Joomla before version 2.4.1 accepts file uploads without authentication and does not restrict file type, allowing exe…KEVEPSS 15%analysed10.0CVE-2026-48939iCagenda Joomla extension unrestricted file upload leads to PHP RCEThe iCagenda extension for Joomla fails to restrict file types in its file attachment feature, allowing arbitrary file uploads that result in PHP cod…KEVEPSS 20%analysed10.0CVE-2026-56290Joomla Page Builder CK unauthenticated file upload leads to RCEThe Joomla Page Builder CK extension before 3.6.0 allows unauthenticated arbitrary file uploads, letting an attacker place executable files on the se…KEVEPSS 31%analysed10.0CVE-2026-48908SP Page Builder for Joomla unauthenticated arbitrary file upload RCESP Page Builder for Joomla permits unauthenticated users to upload arbitrary files, which can lead to upload and execution of PHP code. The flaw is a…KEVEPSS 89%analysed

Source: NIST National Vulnerability Database (record CVE-2021-41646), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.