CVE-2023-42399Public exploitNetwork attack vector

Sensitive-data access via incomplete rich-text filtering

Published Sep 19, 2023 · Updated Jul 9, 2026

Cross-site scripting in Jodit Editor 4.0.0-beta.86 allows remote attackers to access sensitive data through crafted rich-text content. The editor's HTML filter permits an iframe with a javascript: source, allowing script execution when the rendered content is viewed. Exploitation requires a user to render attacker-controlled editor content and is limited to unauthorized data access and page-content modification.

CVSS severity6.1
Medium
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Jodit Editor 4.0.0-beta.86 allows remote attackers to access sensitive data through crafted rich-text content. The editor's HTML filter permits an iframe with a javascript: source, allowing script execution when the rendered content is viewed. Exploitation requires a user to render attacker-controlled editor content and is limited to unauthorized data access and page-content modification.

The record

CVE
CVE-2023-42399
Published
Sep 19, 2023
Updated
Jul 9, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 19, 2023CVE publishedPublication date reported by the CVE source.
  2. Jul 9, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Public exploit references

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

Technologies

Your stack

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Your stack

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