6.1

CVE-2021-20792: expresstech quiz and survey master Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 18-08-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20792 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in expresstech quiz and survey master. EPSS estimates a 2.92% chance of exploitation in the next 30 days, higher than 86.7% of scored vulnerabilities. Fixed in 7.1.14.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
2.92%
0%100%
Low · -0.46 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-08-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Cross-site scripting vulnerability in Quiz And Survey Master versions prior to 7.1.14 allows a remote attacker to inject arbitrary script via unspecified vectors.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.92%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

-0.46 pp

From 3.38% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.92%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Expresstech1 product
Wordpress1 product
  • quiz-master-next≤ 7.1.13 (fixed in 7.1.14)

2 vendors · 2 products

References

5 links