What’s Vulnerable › Vulnerabilities

CVE-2026-4973: SourceCodester Online Quiz System add-question.php cross site scripting

• Severity: low (CVSS 3.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-27 · updated 2026-10-26
• Weakness: CWE-79

Description

A vulnerability was detected in SourceCodester Online Quiz System up to 1.0. Affected by this vulnerability is an unknown functionality of the file endpoint/add-question.php. Performing a manipulation of the argument quiz_question results in cross site scripting. It is possible to initiate the attack remotely. The exploit is now public and may be used.

Affected products

• SourceCodester Online Quiz System: 1.0

References

• https://gist.github.com/Mohdanass/5992b65cca5612c036f1d31d8d8f0646
• https://vuldb.com/?ctiid.353860
• https://vuldb.com/?id.353860
• https://vuldb.com/?submit.778101
• https://www.sourcecodester.com/

Get alerted when CVE-2026-4973 or the next vulnerability affects your stack