5.3

CVE-2026-39535: fullworks display eventbrite events Missing Authorization

CVSS: 5.3v3.1MediumDeferred
Published 08-04-2026Last modified 29-04-2026
Open JSON

Vulnerability summary

CVE-2026-39535 is a medium (CVSS 5.3) Missing Authorization vulnerability in fullworks display eventbrite events. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.8% of scored vulnerabilities. Fixed in 6.5.7.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.26%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-04-2026
    PublishedVulnerability first disclosed.
  2. 29-04-2026
    Last modifiedVulnerability information updated.

Description

Missing Authorization vulnerability in fullworks Display Eventbrite Events widget-for-eventbrite-api allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Display Eventbrite Events: from n/a through <= 6.5.6.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

+0.07 pp

From 0.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.26%

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

Fullworks1 product
Wordpress1 product
  • widget-for-eventbrite-api≤ 6.5.6 (fixed in 6.5.7)

2 vendors · 2 products

References

2 links