CVE-2025-13604Network attack vector

Stored script execution via unescaped firewall log URL

Published Dec 9, 2025 · Updated Apr 8, 2026

Stored XSS in CleanTalk Security by CleanTalk 2.168 and earlier allows remote attackers to execute scripts via crafted page URLs. The Firewall table writes stored page_url values into HTML without output escaping, causing injected markup to execute as script. No account is required to seed the log, and execution is confined to browsers that render the affected Firewall table.

CVSS severity7.2
High
EPSS probability0.31%
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 CleanTalk Security by CleanTalk 2.168 and earlier allows remote attackers to execute scripts via crafted page URLs. The Firewall table writes stored page_url values into HTML without output escaping, causing injected markup to execute as script. No account is required to seed the log, and execution is confined to browsers that render the affected Firewall table.

The record

CVE
CVE-2025-13604
Published
Dec 9, 2025
Updated
Apr 8, 2026
Vendor
CleanTalk
Product
Security by CleanTalk
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 9, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 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 <=2.168

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

CleanTalk · Security by CleanTalkversion=0 <=2.168

Published CVSS scores

7.2WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:N/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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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