CVE-2024-31783Public exploit

Sensitive-information exposure via data URL iframe

Published Apr 16, 2024 · Updated Mar 13, 2025

Stored XSS in Typora 1.6.7 and earlier allows local users to expose sensitive information through a crafted Markdown iframe. The live Markdown renderer accepts a data URL iframe containing script and executes the script instead of neutralizing the active content. The crafted content must be rendered in the desktop editor; the proof of concept demonstrates script execution with an alert, while the CVE record bounds the reported consequence to sensitive-information exposure.

CVSS severity6.1
Medium
EPSS probability0.39%
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 Typora 1.6.7 and earlier allows local users to expose sensitive information through a crafted Markdown iframe. The live Markdown renderer accepts a data URL iframe containing script and executes the script instead of neutralizing the active content. The crafted content must be rendered in the desktop editor; the proof of concept demonstrates script execution with an alert, while the CVE record bounds the reported consequence to sensitive-information exposure.

The record

CVE
CVE-2024-31783
Published
Apr 16, 2024
Updated
Mar 13, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1203
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Apr 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 13, 2025Record 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 vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1CISA-ADPCVSS: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

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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