CVE-2026-24774

Open eClass (formerly GUnet eClass) before version 4.2 is affected by a business‑logic flaw that lets authenticated students mark themselves present in attendance for activities, including those that have expired, by directly accessing a crafted URL. The issue has been patched in version 4.2. Rem...

CVE-2026-24774 Open eClass Business Logic Flaw Allows Students to Mark Attendance in Expired Activities

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a business logic vulnerability allows authenticated students to improperly mark themselves as present in attendance activities, including activities that have already expired, by...

CVE-2026-24774

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a business logic vulnerability allows authenticated students to improperly mark themselves as present in attendance activities, including activities that have already expired, by...

CVE-2026-24774 Open eClass Business Logic Flaw Allows Students to Mark Attendance in Expired Activities

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a business logic vulnerability allows authenticated students to improperly mark themselves as present in attendance activities, including activities that have already expired, by...

CVE-2026-24773 Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, an Insecure Direct Object Reference IDOR vulnerability allows unauthenticated remote attackers to access personal files of other users by directly requesting predictable user...

CVE-2026-24773

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, an Insecure Direct Object Reference IDOR vulnerability allows unauthenticated remote attackers to access personal files of other users by directly requesting predictable user...

CVE-2026-24773 Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, an Insecure Direct Object Reference IDOR vulnerability allows unauthenticated remote attackers to access personal files of other users by directly requesting predictable user...

EUVD-2026-5232

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, an Insecure Direct Object Reference IDOR vulnerability allows unauthenticated remote attackers to access personal files of other users by directly requesting predictable user...

CVE-2026-24773 Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, an Insecure Direct Object Reference IDOR vulnerability allows unauthenticated remote attackers to access personal files of other users by directly requesting predictable user...

CVE-2026-24773

The Open eClass platform (formerly GUnet eClass) before version 4.2 is affected by an Insecure Direct Object Reference (IDOR) that allows unauthenticated remote attackers to access other users’ personal files by requesting predictable user identifiers. Root cause: insufficient authorization check...

CVE-2026-24674 Open eClass is Vulnerable to Reflected Cross-Site Scripting (XSS) in Multiple Endpoints

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Reflected Cross-Site Scripting XSS vulnerability allows remote attackers to execute arbitrary JavaScript in the context of authenticated users by crafting malicious URLs and...

CVE-2026-24674 Open eClass is Vulnerable to Reflected Cross-Site Scripting (XSS) in Multiple Endpoints

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Reflected Cross-Site Scripting XSS vulnerability allows remote attackers to execute arbitrary JavaScript in the context of authenticated users by crafting malicious URLs and...

CVE-2026-24674 Open eClass is Vulnerable to Reflected Cross-Site Scripting (XSS) in Multiple Endpoints

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Reflected Cross-Site Scripting XSS vulnerability allows remote attackers to execute arbitrary JavaScript in the context of authenticated users by crafting malicious URLs and...

CVE-2026-24673

The CVE-2026-24673 entry describes a file upload validation bypass in Open eClass (formerly GUnet eClass) prior to version 4.2. Attackers could embed prohibited extensions inside ZIP archives and rely on the application's decompression to extract them, bypassing file-type checks. This issue has b...

CVE-2026-24673 Open eClass Has File Upload Filter Bypass via ZIP Archive Extraction

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a file upload validation bypass vulnerability allows attackers to upload files with prohibited extensions by embedding them inside ZIP archives and extracting them using the...

CVE-2026-24672 Open eClass is Vulnerable to Stored Cross-Site Scripting (XSS) in User Profile Fields

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Stored Cross-Site Scripting XSS vulnerability allows authenticated students to inject malicious JavaScript into user profile fields, which is executed when users with viewing...

CVE-2026-24672 Open eClass is Vulnerable to Stored Cross-Site Scripting (XSS) in User Profile Fields

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Stored Cross-Site Scripting XSS vulnerability allows authenticated students to inject malicious JavaScript into user profile fields, which is executed when users with viewing...

CVE-2026-24672

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Stored Cross-Site Scripting XSS vulnerability allows authenticated students to inject malicious JavaScript into user profile fields, which is executed when users with viewing...

EUVD-2026-5237

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Stored Cross-Site Scripting XSS vulnerability allows authenticated students to inject malicious JavaScript into user profile fields, which is executed when users with viewing...

CVE-2026-24672 Open eClass is Vulnerable to Stored Cross-Site Scripting (XSS) in User Profile Fields

The Open eClass platform formerly known as GUnet eClass is a complete course management system. Prior to version 4.2, a Stored Cross-Site Scripting XSS vulnerability allows authenticated students to inject malicious JavaScript into user profile fields, which is executed when users with viewing...