6.4

CVE-2024-6879: expresstech quiz and survey master Cross-site Scripting

CVSS: 6.4v3.1MediumAnalyzed
Published 26-08-2024Last modified 28-08-2024
Open JSON

Vulnerability summary

CVE-2024-6879 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in expresstech quiz and survey master. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.3% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 9.1.1.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.4/10
010
Medium · v3.1 (wordfence)
EPSS score
0.43%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 26-08-2024
    PublishedVulnerability first disclosed.
  2. 28-08-2024
    Last modifiedVulnerability information updated.

Description

The Quiz and Survey Master (QSM) WordPress plugin before 9.1.1 fails to validate and escape certain Quiz fields before displaying them on a page or post where the Quiz is embedded, which could allows contributor and above roles to perform Stored Cross-Site Scripting (XSS) attacks.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

0.00 pp

From 0.43% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Expresstech1 product
Unknown1 product
Wordpress1 product
  • quiz-master-next≤ 9.1.0 (fixed in 9.1.1)

3 vendors · 3 products

References

2 links