CVE-2020-29257
Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to...
Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.
- Record
CVE-2020-29257- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.
- Record
CVE-2020-29257- Updated
- 2026-11-02
EUVDEUVD-2020-21632 No score
Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.
- Record
EUVD-2020-21632- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9hfm-mhvm-8rx7 No score
Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to...
Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.
- Record
GHSA-9hfm-mhvm-8rx7- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-29257 is a medium vulnerability (CVSS 6.1) in Online Examination System Project Examination System, published December 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.