CVE-2025-23902Network attack vector

Stored XSS via missing nonce validation

Published Jan 16, 2025 · Updated May 12, 2026

Cross-site request forgery in Taras Dashkevych Error Notification 0.2.7 and earlier allows remote attackers to inject stored scripts. Published advisories attribute the flaw to missing or incorrect nonce validation in an unnamed settings-update function that accepts a forged request. An administrator must follow a malicious link or visit a crafted page while authenticated, after which injected scripts persist and execute in visitors’ browsers.

CVSS severity7.1
High
EPSS probability0.20%
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 Taras Dashkevych Error Notification 0.2.7 and earlier allows remote attackers to inject stored scripts. Published advisories attribute the flaw to missing or incorrect nonce validation in an unnamed settings-update function that accepts a forged request. An administrator must follow a malicious link or visit a crafted page while authenticated, after which injected scripts persist and execute in visitors’ browsers.

The record

CVE
CVE-2025-23902
Published
Jan 16, 2025
Updated
May 12, 2026
Vendor
Taras Dashkevych
Product
Error Notification
Classifications
CWE-352, CAPEC-62, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 16, 2025CVE publishedPublication date reported by the CVE source.
  2. May 12, 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 <=0.2.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Taras Dashkevych · Error Notificationversion=0 <=0.2.7

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
6.1Wordfence IntelligenceCVSS: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 exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
CAPEC-62Cross Site Request Forgery
T1204.001User Execution: Malicious Link

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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