CVE-2026-84847: brightvesseldev quick event manager Missing Authorization
CVSS: 7.5v3.1HighDeferred
Published 03-09-2026Last modified 05-09-2026
Vulnerability summary
CVE-2026-84847 is a high (CVSS 7.5) Missing Authorization vulnerability in brightvesseldev quick event manager. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.7% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.35%
0%100%
Low · +0.14 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 03-09-2026PublishedVulnerability first disclosed.
- 05-09-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Broken Access Control in Quick Event Manager <= 9.17 versions.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NSources3 sources · 5.3–7.5
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
+0.14 pp
From 0.20% on 19-09-2026
19-09-202619-10-2026
EPSS score0.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Brightvesseldev1 product
- quick event manager≥ n/a, ≤ 9.17
Wordpress1 product
- quick-event-manager≤ 9.17
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry