CVE-2021-47962

Description

Savsoft Quiz 5.0 contains a persistent cross-site scripting vulnerability in the user account settings page that allows authenticated attackers to inject malicious HTML and JavaScript code. Attackers can inject script payloads into user profile fields at the edit_user endpoint, which execute in the browsers of users viewing the affected profile after submission.

Overview

State

—

Assigner (CNA)

—

CVSS severity

medium

CVSS score

6.4 / 10

CVSS vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Effective score

6.4 / 10 MEDIUM source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2021-47962

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published

2026-05-15 19:16:55 UTC

NVD last modified

2026-05-18 17:32:04 UTC

NVD CVSS v3.1

6.4 / 10 MEDIUM source: disclosure@vulncheck.com

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Exploitability subscore

3.1 / 10

Impact subscore

2.7 / 10

EPSS score

0.0003 (probability of exploitation in next 30 days)

EPSS percentile

10.24% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD-assigned CWE(s): CWE-79 (differs from the CNA list above)

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2021-34815

Assigner

VulnCheck

Published

May 15, 2026, 6:36:28 PM

Updated

May 24, 2026, 1:37:15 AM

EUVD base score (CVSS 4.0)

5.1 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

EUVD-reported EPSS

0.0300

Vendors

savsofts

Products

Savsoft Quiz (5.0)

Aliases

GHSA-234g-j3mr-6rvx

ENISA description: Savsoft Quiz 5.0 contains a persistent cross-site scripting vulnerability in the user account settings page that allows authenticated attackers to inject malicious HTML and JavaScript code. Attackers can inject script payloads into user profile fields at the edit_user endpoint, which execute in the browsers of users viewing the affected profile after submission.

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (7)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• https://github.com/savsofts/savsoftquiz_v5 tenable:github.com
• https://nvd.nist.gov/vuln/detail/CVE-2021-47962 tenable:nvd.nist.gov
• https://savsoftquiz.com tenable:savsoftquiz.com
• https://www.cve.org/CVERecord?id=CVE-2021-47962 tenable:www.cve.org
• https://www.exploit-db.com/exploits/49825 tenable:www.exploit-db.com
• https://www.first.org/epss/ tenable:www.first.org
• https://www.vulncheck.com/advisories/savsoft-quiz-persistent-cross-site-scripting-via-user-settings tenable:www.vulncheck.com

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  web:www.virustotal.com

  VirusTotal is a platform for scanning files and URLs for viruses, malware, and other threats using multiple antivirus engines.

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