CVE-2026-66613: WordPress JetEngine plugin <= 3.8.14 - Remote Code Execution (RCE) vulnerability
Deferred
Published 19-08-2026Last modified 20-08-2026
Vulnerability summary
CVE-2026-66613 is a critical (CVSS 9.8) vulnerability in crocoblock. jetimpex inc. jetengine. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 58% of scored vulnerabilities. Fixed in 3.8.14.1.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.86%
0%100%
Low · +0.38 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 19-08-2026PublishedVulnerability first disclosed.
- 20-08-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Remote Code Execution (RCE) in JetEngine <= 3.8.14 versions.
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- wordfenceSource9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.86%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
Increase +0.38 pp
From 0.48% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-1336Improper Neutralization of Special Elements Used in a Template EngineThe product uses a template engine to insert or process externally-influenced input, but it does not neutralize or incorrectly neutralizes special elements or syntax that can be interpreted as template expressions or other code directives when processed by the engine.
- CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
Affected systems
Crocoblock. jetimpex inc.1 product
- jetengine≥ n/a, ≤ 3.8.14
Wordpress1 product
- jet-engine≤ 3.8.14 (fixed in 3.8.14.1)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry