CVE-2025-13349: SourceCodester Student Grades Management System · Cross-site Scripting
Affects SourceCodester Student Grades Management SystemSource CVE Database V5
Public exploit available · CVSS 5.1 Medium.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 18 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SourceCodester Student Grades Management System | Affected
| Fixed in– |
AI-suggested
To mitigate CVE-2025-13349, organizations should implement strict input validation and output encoding on the 'Remarks' parameter within the /grades.php component to prevent injection of malicious scripts. Employing a whitelist approach for allowed characters and sanitizing all user-supplied input is critical. Deploying a Web Application Firewall (WAF) with rules to detect and block XSS payloads can provide an additional layer of defense. Monitoring web server logs and application behavior for unusual patterns or repeated injection attempts is recommended. If a patch or updated version of the Student Grades Management System becomes available, immediate application is essential. In the absence of official patches, consider isolating the vulnerable application behind secure access controls and limiting user privileges to reduce exposure. Educate users about the risks of clicking on suspicious links or content within the application. Regular security assessments and penetration testing focusing on input validation should be conducted to identify and remediate similar vulnerabilities.
Description
A vulnerability has been found in SourceCodester Student Grades Management System 1.0. This issue affects some unknown processing of the file /grades.php of the component Add New Grade Page. The manipulation of the argument Remarks leads to cross site scripting. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.