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CVE-2025-45406

Date: July 24, 2025

A stored cross-site scripting (XSS) vulnerability in CodeIgniter4 v4.6.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the debugbar_time parameter. NOTE: this is disputed by the Supplier because attackers cannot influence the value of debugbar_time, and because debugbar-related data is automatically escaped by the CodeIgniter Parser class.

Severity Score

Related Resources (9)

https://github.com/codeigniter4/CodeIgniter4/blob/v4.6.2/system/Debug/Toolbar.php#L496
https://github.com/codeigniter4/framework/blob/v4.6.2/system/Debug/Toolbar.php#L496
https://nvd.nist.gov/vuln/detail/CVE-2025-45406
https://nvd.nist.gov/vuln/detail/CVE-2020-15943
https://github.com/codeigniter4/CodeIgniter4
https://www.exploit-db.com/exploits/50556
https://medium.com/@talktoshweta0/when-debugging-bites-back-exposing-a-persistent-xss-in-codeigniter4-c9caf804a190
https://github.com/advisories/GHSA-7h5r-54mm-w4pq
https://www.mend.io/vulnerability-database/CVE-2025-45406

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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