CVE-2026-84848: brightvesseldev quick event manager Cross-site Scripting
CVSS: 7.2v3.1HighDeferred
Published 03-09-2026Last modified 04-09-2026
Vulnerability summary
CVE-2026-84848 is a high (CVSS 7.2) Cross-site Scripting vulnerability in brightvesseldev quick event manager. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.5% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v3.1 (wordfence)EPSS score
0.25%
0%100%
Low · +0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 03-09-2026PublishedVulnerability first disclosed.
- 04-09-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Cross Site Scripting (XSS) in Quick Event Manager <= 9.17 versions.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.2Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NSources3 sources · 7.1–7.2
- CVE.orgCNA7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:LDiffers
- NVDNIST7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:LDiffers
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
+0.11 pp
From 0.15% on 20-09-2026
20-09-202620-10-2026
EPSS score0.25%
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