Writeup Exploits

59,698 exploits tracked across all sources.

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CVE-2025-22928 WRITEUP CRITICAL
Os4ed Opensis < 9.1 - SQL Injection
OS4ED openSIS v7.0 to v9.1 was discovered to contain a SQL injection vulnerability via the cp_id parameter at /modules/messages/Inbox.php.
CVSS 9.8
CVE-2025-22927 WRITEUP CRITICAL
Os4ed Opensis < 9.1 - Path Traversal
An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal by sending a crafted POST request to /Modules.php?modname=messaging/Inbox.php&modfunc=save&filename.
CVSS 9.1
CVE-2025-22926 WRITEUP CRITICAL
Os4ed Opensis < 9.1 - Path Traversal
An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal by sending a crafted POST request to /Modules.php?modname=messaging/Inbox.php&modfunc=save&filename.
CVSS 9.8
CVE-2025-22925 WRITEUP HIGH
Os4ed Opensis < 9.1 - SQL Injection
OS4ED openSIS v7.0 to v9.1 was discovered to contain a SQL injection vulnerability via the table parameter at /attendance/AttendanceCodes.php. The remote, authenticated attacker requires the admin role to successfully exploit this vulnerability.
CVSS 7.5
CVE-2025-22924 WRITEUP HIGH
Os4ed Opensis < 9.1 - SQL Injection
OS4ED openSIS v7.0 through v9.1 contains a SQL injection vulnerability via the stu_id parameter at /modules/students/Student.php.
CVSS 8.8
CVE-2025-22923 WRITEUP HIGH
Os4ed Opensis < 9.1 - Path Traversal
An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal and delete files by sending a crafted POST request to /Modules.php?modname=users/Staff.php&removefile.
CVSS 8.8
CVE-2023-38885 WRITEUP HIGH
OpenSIS Classic CE <9.0 - CSRF
OpenSIS Classic Community Edition version 9.0 lacks cross-site request forgery (CSRF) protection throughout the whole app. This may allow an attacker to trick an authenticated user into performing any kind of state changing request.
CVSS 8.8
CVE-2023-38884 WRITEUP HIGH
openSIS Classic 9.0 - IDOR
An Insecure Direct Object Reference (IDOR) vulnerability in the Community Edition version 9.0 of openSIS Classic allows an unauthenticated remote attacker to access any student's files by visiting '/assets/studentfiles/<studentId>-<filename>'
CVSS 7.5
CVE-2023-38883 WRITEUP MEDIUM
openSIS Classic 9.0 - XSS
A reflected cross-site scripting (XSS) vulnerability in the Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into the 'ajax' parameter in 'ParentLookup.php'.
CVSS 6.1
CVE-2023-38882 WRITEUP MEDIUM
openSIS Classic 9.0 - XSS
A reflected cross-site scripting (XSS) vulnerability in the Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into the 'include' parameter in 'ForExport.php'
CVSS 6.1
CVE-2023-38881 WRITEUP MEDIUM
openSIS Classic 9.0 - XSS
A reflected cross-site scripting (XSS) vulnerability in the Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into any of the 'calendar_id', 'school_date', 'month' or 'year' parameters in 'CalendarModal.php'.
CVSS 6.1
CVE-2023-38880 WRITEUP CRITICAL
openSIS Classic 9.0 - Info Disclosure
The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality. Whenever an admin generates a database backup, the backup is stored in the web root while the file name has a format of "opensisBackup<date>.sql" (e.g. "opensisBackup07-20-2023.sql"), i.e. can easily be guessed. This file can be accessed by any unauthenticated actor and contains a dump of the whole database including password hashes.
CVSS 9.8
CVE-2023-38879 WRITEUP HIGH
openSIS Classic <9.0 - Path Traversal
The Community Edition version 9.0 of OS4ED's openSIS Classic allows remote attackers to read arbitrary files via a directory traversal vulnerability in the 'filename' parameter of 'DownloadWindow.php'.
CVSS 7.5
CVE-2022-45962 WRITEUP MEDIUM
Os4ed Opensis < 8.0 - SQL Injection
Open Solutions for Education, Inc openSIS Community Edition v8.0 and earlier is vulnerable to SQL Injection via CalendarModal.php.
CVSS 6.5
CVE-2022-45962 WRITEUP MEDIUM
Os4ed Opensis < 8.0 - SQL Injection
Open Solutions for Education, Inc openSIS Community Edition v8.0 and earlier is vulnerable to SQL Injection via CalendarModal.php.
CVSS 6.5
CVE-2022-45962 WRITEUP MEDIUM
Os4ed Opensis < 8.0 - SQL Injection
Open Solutions for Education, Inc openSIS Community Edition v8.0 and earlier is vulnerable to SQL Injection via CalendarModal.php.
CVSS 6.5
CVE-2022-27041 WRITEUP HIGH
Os4ed Opensis - SQL Injection
Due to lack of protection, parameter student_id in OpenSIS Classic 8.0 /modules/eligibility/Student.php can be used to inject SQL queries to extract information from databases.
CVSS 7.5
CVE-2021-41679 WRITEUP CRITICAL
Os4ed Opensis - SQL Injection
A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the /opensis/modules/grades/InputFinalGrades.php, period parameter.
CVSS 9.8
CVE-2021-41678 WRITEUP CRITICAL
Os4ed Opensis - SQL Injection
A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the /opensis/modules/users/Staff.php, staff{TITLE] parameter.
CVSS 9.8
CVE-2021-41677 WRITEUP CRITICAL
Os4ed Opensis - SQL Injection
A SQL injection vulnerability exists in version 8.0 of openSIS when MySQL or MariaDB is used as the application database. An attacker can then issue the SQL command through the /opensis/functions/GetStuListFnc.php &Grade= parameter.
CVSS 9.8
CVE-2021-40637 WRITEUP MEDIUM
OS4ED openSIS 8.0 - XSS
OS4ED openSIS 8.0 is affected by cross-site scripting (XSS) in EmailCheckOthers.php. An attacker can inject JavaScript code to get the user's cookie and take over the working session of user.
CVSS 6.1
CVE-2021-40636 WRITEUP HIGH
OS4ED openSIS 8.0 - SQL Injection
OS4ED openSIS 8.0 is affected by SQL Injection in CheckDuplicateName.php, which can extract information from the database.
CVSS 7.5
CVE-2021-40635 WRITEUP HIGH
OS4ED openSIS 8.0 - SQL Injection
OS4ED openSIS 8.0 is affected by SQL injection in ChooseCpSearch.php, ChooseRequestSearch.php. An attacker can inject a SQL query to extract information from the database.
CVSS 7.5
CVE-2021-40618 WRITEUP CRITICAL
openSIS Classic 8.0 - SQL Injection
An SQL Injection vulnerability exists in openSIS Classic 8.0 via the 1) ADDR_CONT_USRN, 2) ADDR_CONT_PSWD, 3) SECN_CONT_USRN or 4) SECN_CONT_PSWD parameters in HoldAddressFields.php.
CVSS 9.8
CVE-2021-40617 WRITEUP CRITICAL
openSIS CE <8.0 - SQL Injection
An SQL Injection vulnerability exists in openSIS Community Edition version 8.0 via ForgotPassUserName.php.
CVSS 9.8