CVE-2020-29257

CVE-2020-29257 is a medium-severity vulnerability in Online Examination System Project Online Examination System with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.

Frequently asked questions

What is CVE-2020-29257?
Cross-site scripting (XSS) vulnerability in Online Examination System 1.0 via the q parameter to feedback.php.
How severe is CVE-2020-29257?
CVE-2020-29257 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-29257 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29257?
CVE-2020-29257 affects Online Examination System Project Online Examination System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29257?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29257 published?
CVE-2020-29257 was published on 2020-12-09 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Online Examination System Project Online Examination System

All CVEs affecting Online Examination System Project Online Examination System →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →