8.8

CVE-2023-26524: expresstech quiz and survey master Cross-Site Request Forgery (CSRF)

CVSS: 8.8v3.1HighModified
Published 12-11-2023Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2023-26524 is a high (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in expresstech quiz and survey master. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.3% of scored vulnerabilities. Fixed in 8.1.0.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-11-2023
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Cross-Site Request Forgery (CSRF) vulnerability in ExpressTech Quiz And Survey Master – Best Quiz, Exam and Survey Plugin for WordPress plugin <= 8.0.10 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.31% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.31%

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

Expresstech2 products
Wordpress1 product
  • quiz-master-next≤ 8.0.10 (fixed in 8.1.0)

2 vendors · 3 products

References

2 links