CVE-2024-8090Public exploitNetwork attack vector

Stored XSS via forged settings request

Published May 15, 2025 · Updated May 20, 2025

Stored XSS in JavaScript Logic 0.1 and earlier allows remote attackers to inject scripts through a forged settings request. The settings page accepts script input fields without a CSRF nonce check, sanitization, or output escaping, causing submitted markup to be stored and rendered. Exploitation requires an authenticated administrator to open attacker-controlled HTML; the stored payload then executes in a viewer's browser under the site's origin.

CVSS severity6.1
Medium
EPSS probability0.18%
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 JavaScript Logic 0.1 and earlier allows remote attackers to inject scripts through a forged settings request. The settings page accepts script input fields without a CSRF nonce check, sanitization, or output escaping, causing submitted markup to be stored and rendered. Exploitation requires an authenticated administrator to open attacker-controlled HTML; the stored payload then executes in a viewer's browser under the site's origin.

The record

CVE
CVE-2024-8090
Published
May 15, 2025
Updated
May 20, 2025
Vendor
Justin Tadlock
Product
JavaScript Logic
Classifications
CWE-352, CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 15, 2025CVE publishedPublication date reported by the CVE source.
  2. May 20, 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?

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

  1. Affected versionversion=0 <=0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Justin Tadlock · JavaScript Logicversion=0 <=0.1

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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 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-352Cross-Site Request Forgery (CSRF)
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001User Execution: Malicious Link

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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