CVE-2025-49425Network attack vector

Stored XSS via missing nonce validation

Published Jun 6, 2025 · Updated Apr 28, 2026

Cross-site request forgery in Adrian Hanft Konami Easter Egg 0.4 and earlier allows remote attackers to store malicious script via a forged request. Published sources identify missing or incorrect nonce validation in an administrative function but do not disclose the function name or affected parameter. Exploitation requires an administrator to open an attacker-controlled link, after which the stored script can execute during subsequent page views.

CVSS severity7.1
High
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Adrian Hanft Konami Easter Egg 0.4 and earlier allows remote attackers to store malicious script via a forged request. Published sources identify missing or incorrect nonce validation in an administrative function but do not disclose the function name or affected parameter. Exploitation requires an administrator to open an attacker-controlled link, after which the stored script can execute during subsequent page views.

The record

CVE
CVE-2025-49425
Published
Jun 6, 2025
Updated
Apr 28, 2026
Vendor
Adrian Hanft
Product
Konami Easter Egg
Classifications
CWE-352
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 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 <=v0.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Adrian Hanft · Konami Easter Eggversion=0 <=v0.4

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)

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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Your stack

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