A Stored Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Online Event…
Priority LOW 28CWE-79Published · Updated
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) vulnerability exists in Sourcecodester Online Event Booking and Reservation System in PHP/MySQL via the Holiday reason parameter. 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:online_event_booking_and_reservation_system_project:online_event_booking_and_reservation_system:2.3.0:*:*:*:*:*:*:* | 2.3.0 | Vulnerable | Online Event Booking And Reservation System Project |
- cpe:2.3:a:online_event_booking_and_reservation_system_project:online_event_booking_and_reservation_system:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·Online Event Booking And Reservation System Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-42662
- 2026-10-03 Alias added: GHSA-jw7x-fqhx-7gcf
References
Exploit 3
More Online Event Booking And Reservation System Project Online Event Booking And Reservation System vulnerabilities
- TI-2021-18895 A SQL Injection vulnerability exists in Sourcecodester Online Event Booking and… CVSS 3.1CRITICAL 9.8
- TI-2021-18891 An HTML injection vulnerability exists in Sourcecodester Online Event Booking and… CVSS 3.1MEDIUM 4.3
Sources
- CVE-2021-42662 · CVE Program
- CVE-2021-42662 · NVD
- FIRST EPSS
- GHSA-jw7x-fqhx-7gcf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences