CVE-2026-102391: WordPress JetFormBuilder plugin <= 3.6.5.4 - Cross Site Scripting (XSS) vulnerability
Deferred
Published 30-09-2026Last modified 30-09-2026
Vulnerability summary
CVE-2026-102391 is a high (CVSS 7.2) Cross-site Scripting vulnerability in jetmonsters jetformbuilder. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.5% of scored vulnerabilities. Fixed in 3.6.6.
CVSS score
7.2/10
010
High · v3.1 (wordfence)EPSS score
0.15%
0%100%
Low · Change unavailableKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 30-09-2026PublishedVulnerability first disclosed.
- 30-09-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Cross Site Scripting (XSS) in JetFormBuilder <= 3.6.5.4 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 · 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
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
01-10-202622-10-2026
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
Jetmonsters1 product
- jetformbuilder≥ n/a, ≤ 3.6.5.4
Wordpress1 product
- jetformbuilder≤ 3.6.5.4 (fixed in 3.6.6)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry