6.4

CVE-2023-3575: expresstech quiz and survey master Cross-site Scripting

CVSS: 6.4v3.1MediumModified
Published 07-08-2023Last modified 23-04-2025
Open JSON

Vulnerability summary

CVE-2023-3575 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in expresstech quiz and survey master. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 44.8% of scored vulnerabilities. 2 public exploits are recorded. Fixed in 8.1.11.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.4/10
010
Medium · v3.1 (wordfence)
EPSS score
0.55%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 07-08-2023
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

The Quiz And Survey Master WordPress plugin before 8.1.11 does not properly sanitize and escape question titles, which could allow users with the Contributor role and above to perform Stored Cross-Site Scripting attacks

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.55%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

0.00 pp

From 0.55% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.55%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (onvio.nl)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Expresstech1 product
Unknown1 product
Wordpress1 product
  • quiz-master-next≤ 8.1.10 (fixed in 8.1.11)

3 vendors · 3 products

References

3 links