CVE-2026-92212Network attack vectorHinoki check available

Reflected XSS via calculated field formula

Published Sep 25, 2026 · Updated Sep 25, 2026

Reflected XSS in Crocoblock JetFormBuilder 3.6.5.3 and earlier allows remote attackers to execute scripts through a crafted form URL. A URL Query Variable preset passes the jfb_xss query parameter into a referenced Calculated Field formula without sufficient sanitization or output escaping. Execution requires a page containing both configured fields and a user who opens the crafted link, exposing that user's browser context.

CVSS severityUnavailable
Unscored
EPSS probability0.21%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Reflected XSS in Crocoblock JetFormBuilder 3.6.5.3 and earlier allows remote attackers to execute scripts through a crafted form URL. A URL Query Variable preset passes the jfb_xss query parameter into a referenced Calculated Field formula without sufficient sanitization or output escaping. Execution requires a page containing both configured fields and a user who opens the crafted link, exposing that user's browser context.

The record

CVE
CVE-2026-92212
Published
Sep 25, 2026
Updated
Sep 25, 2026
Vendor
Crocoblock
Product
JetFormBuilder
Classifications
T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=3.6.5.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Crocoblock · JetFormBuilderversion=0 <=3.6.5.3

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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