5.4

CVE-2023-39310: themefusion fusion builder Missing Authorization

CVSS: 5.4v3.1MediumDeferred
Published 19-06-2024Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2023-39310 is a medium (CVSS 5.4) Missing Authorization vulnerability in themefusion fusion builder. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 39.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.46%
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. 19-06-2024
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Missing Authorization vulnerability in ThemeFusion Fusion Builder.This issue affects Fusion Builder: from n/a through 3.11.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

0.00 pp

From 0.46% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.46%

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

Themefusion1 product
Wordpress1 product
  • fusion-builder≤ 3.11.1 (fixed in 3.11.2)

2 vendors · 2 products

References

2 links