CVE-2026-42686: WordPress EventPrime plugin <= 4.3.2.1 - Cross Site Scripting (XSS) vulnerability
Deferred
Published 15-06-2026Last modified 16-06-2026
Vulnerability summary
CVE-2026-42686 is a high (CVSS 7.1) Cross-site Scripting vulnerability in eventprime. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.8% of scored vulnerabilities. Fixed in 4.3.2.2.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
0.38%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 15-06-2026PublishedVulnerability first disclosed.
- 16-06-2026Last modifiedVulnerability information updated.
Description
Subscriber Cross Site Scripting (XSS) in EventPrime <= 4.3.2.1 versions.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:HSources3 sources · 6.4–7.1
- NVDNIST7.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
- wordfenceSource6.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
Increase +0.03 pp
From 0.35% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Eventprime1 product
- eventprime≥ n/a, ≤ 4.3.2.1
Wordpress1 product
- eventprime-event-calendar-management≤ 4.3.2.1 (fixed in 4.3.2.2)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry