CVE-2023-42426Public exploitNetwork attack vector

Stored XSS via unsanitized image-link href

Published Sep 25, 2023 · Updated Jul 9, 2026

Stored XSS in Froala Editor 4.1.1 allows remote attackers to execute JavaScript through a crafted image link viewed in a browser. The Insert Image link workflow places the supplied href into an anchor without neutralizing injected event-handler markup. Exploitation requires the crafted link to be inserted and the resulting content to be rendered or interacted with in another browser context.

CVSS severity6.1
Medium
EPSS probability0.79%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Froala Editor 4.1.1 allows remote attackers to execute JavaScript through a crafted image link viewed in a browser. The Insert Image link workflow places the supplied href into an anchor without neutralizing injected event-handler markup. Exploitation requires the crafted link to be inserted and the resulting content to be rendered or interacted with in another browser context.

The record

CVE
CVE-2023-42426
Published
Sep 25, 2023
Updated
Jul 9, 2026
Vendor
Froala
Product
Froala Editor
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 25, 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?

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

  1. Affected versionversion=4.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Froala · Froala Editorversion=4.1.1

Published CVSS scores

6.1GitHub Advisory DatabaseCVSS: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.

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

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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')
T1059.007JavaScript/JScript

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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