TI-2021-18892 Aliases CVE-2021-42664 GHSA-fmwm-fpxf-fvm8

A Stored Cross Site Scripting (XSS) Vulneraibiilty exists in Sourcecodester Engineers…

LOW 28CWE-79Published 2021-11-05 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

A Stored Cross Site Scripting (XSS) Vulneraibiilty exists in Sourcecodester Engineers Online Portal in PHP via the (1) Quiz title and (2) quiz description parameters to add_quiz.php. An attacker can leverage this vulnerability in order to run javascript commands on the web server surfers behalf, which can lead to cookie stealing and more.

Why it matters now

EPSS 0.01674 76th percentileScored 2026-11-07

Public exploit Yes 3 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:engineers_online_portal_project:engineers_online_portal:1.0:::::::*	1.0	Vulnerable	Engineers Online Portal Project

cpe:2.3:a:engineers_online_portal_project:engineers_online_portal:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Engineers Online Portal Project

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-42664
2026-10-03 Alias added: GHSA-fmwm-fpxf-fvm8

References

Exploit 3

Advisory 1

https://www.sourcecodester.com/php/13115/engineers-online-portal-php.html

TI-2023-04857 SourceCodester Engineers Online Portal remove_inbox_message.php sql injection CVSS 3.1CRITICAL 9.8
TI-2023-04855 SourceCodester Engineers Online Portal my_classmates.php sql injection CVSS 3.1CRITICAL 9.8
TI-2023-04858 SourceCodester Engineers Online Portal seed_message_student.php sql injection CVSS 3.1CRITICAL 9.8
TI-2023-04854 SourceCodester Engineers Online Portal login.php sql injection CVSS 3.1CRITICAL 9.8
TI-2023-04853 SourceCodester Engineers Online Portal student_avatar.php unrestricted upload CVSS 3.1CRITICAL 9.8
TI-2023-04852 SourceCodester Engineers Online Portal downloadable_student.php sql injection CVSS 3.1CRITICAL 9.8

See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences