6.5

CVE-2026-104391: expresstech quiz and survey master Cross-site Scripting

CVSS: 6.5v3.1MediumDeferred
Published 07-10-2026Last modified 07-10-2026
Open JSON

Vulnerability summary

CVE-2026-104391 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in expresstech quiz and survey master. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.3% of scored vulnerabilities. Fixed in 11.2.8.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.13%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-10-2026
    PublishedVulnerability first disclosed.
  2. 07-10-2026
    Last modifiedVulnerability information updated.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ExpressTech Quiz And Survey Master quiz-master-next allows Stored XSS.This issue affects Quiz And Survey Master: from n/a through 11.2.7.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

07-10-202620-10-2026
EPSS score
0.13%

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≤ 11.2.7 (fixed in 11.2.8)

2 vendors · 2 products

References

2 links