Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- 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
Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.
Why it matters now
EPSS 0.007 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged 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_examination_system_project:online_examination_system:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Online Examination System Project |
- cpe:2.3:a:online_examination_system_project:online_examination_system:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Online Examination System Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-29257
- 2026-10-03 Alias added: GHSA-9hfm-mhvm-8rx7
References
More Online Examination System Project Online Examination System vulnerabilities
- TI-2023-24141 Online Examination System v1.0 - Multiple Unauthenticated SQL Injections (SQLi) CVSS 3.1CRITICAL 9.8
- TI-2023-18175 The Online Examination System Project 1.0 version is vulnerable to Cross-Site Request… CVSS 3.1MEDIUM 6.5
- TI-2020-15548 Projectworlds Online Examination System 1.0 is vulnerable to CSRF, which allows a remote… CVSS 3.1MEDIUM 6.5
- TI-2020-17621 Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the w parameter to index.php. CVSS 3.1MEDIUM 6.1
- TI-2020-15892 Project Worlds Online Examination System 1.0 is affected by Cross Site Scripting (XSS) via account.php. CVSS 3.1MEDIUM 6.1
- TI-2020-17622 Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the subject… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2020-29257 · CVE Program
- CVE-2020-29257 · NVD
- FIRST EPSS
- GHSA-9hfm-mhvm-8rx7 · GitHub Advisory Database · CC BY 4.0
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