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CVE-2026-67350: Serendipity 0 to before 2.6.1
CVE-2026-67350. CVSS 3.1 base score 4.3 (MEDIUM, Vendor/CNA). EPSS 0.00348 (percentile 0.27156), scored 22-Oct-2026.
Affected technology
Serendipity · 0 to before 2.6.1
s9y
Description’s affected range: before 2.6.1
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Active user interaction
What an attacker can do
Unauthenticated attackers can 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. Vendor/CNA’s CVSS 4.0 assessment (base score 2.1/10) rates confidentiality and availability impact as none; integrity impact as low.
- CWE
- CWE-601
- CCR priority
- 17.3 /100 (P5)
- CVSS 3.1
- 4.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N · Vendor/CNA
- EPSS
- 0.00348 · percentile 0.27156 · 2026-10-22
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-67350.html