CVE-2026-67350

Published: Lug 31, 2026 Last Modified: Ago 01, 2026

ExploitDB:

Other exploit source:

Google Dorks:

LOW 2,1

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: none

User Interaction: active

Confidentiality: N/A

Integrity: N/A

Availability: N/A

MEDIUM 4,3

Source: [email protected]

Attack Vector: network

Attack Complexity: low

Privileges Required: none

User Interaction: required

Scope: unchanged

Confidentiality: none

Integrity: low

Availability: none

Description

AI Translation Available

Serendipity before 2.6.1 contains an open redirect vulnerability in exit.php that allows unauthenticated attackers to redirect users to arbitrary external sites by supplying a malicious Base64-encoded url parameter when the Track Exits plugin is configured with commentredirection set to s9y. Attackers can craft trusted-looking URLs leveraging the legitimate blog domain to conduct phishing, deliver malware, or bypass URL reputation filters.

601

URL Redirection to Untrusted Site ('Open Redirect')

Draft

Abstraction: Base Structure: Simple

Common Consequences

Security Scopes Affected:

Access Control Confidentiality Other

Potential Impacts:

Bypass Protection Mechanism Gain Privileges Or Assume Identity Other

Applicable Platforms

Technologies: Web Based, Web Server

Likelihood of Exploit: Low

View CWE Details

https://github.com/s9y/Serendipity/security/advisories/GHSA…

https://github.com/s9y/Serendipity/security/advisories/GHSA-77rw-27c5-4hxm