CVE-2023-23979: fullworks quick event manager Cross-site Scripting
CVSS: 7.2v3.1HighModified
Published 06-04-2023Last modified 28-04-2026
Vulnerability summary
CVE-2023-23979 is a high (CVSS 7.2) Cross-site Scripting vulnerability in fullworks quick event manager. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.4% of scored vulnerabilities. Fixed in 9.7.5.
CVSS score
7.2/10
010
High · v3.1 (wordfence)EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-04-2023PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Unauth. Stored Cross-Site Scripting (XSS) vulnerability in Fullworks Quick Event Manager plugin <= 9.7.4 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 · 6.1–7.2
- CVE.orgCNA7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:LDiffers
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
0.00 pp
From 0.41% on 20-09-2026
20-09-202620-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fullworks1 product
- quick event manager≥ n/a, ≤ 9.7.4
Fullworksplugins1 product
- quick_event_manager< 9.7.5
Wordpress1 product
- quick-event-manager≤ 9.7.4 (fixed in 9.7.5)
3 vendors · 3 products