CVE-2026-67350
Last modified
CVE-2026-67350 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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..
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| s9y | Serendipity | < 2.6.1 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-67350?
How severe is CVE-2026-67350?
How do I fix CVE-2026-67350?
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-67345MaxKey through 4.1.12, fixed in commit ddbb72f, contains an …8.5
- CVE-2026-67346Swarms through 6.8.1, fixed in commit 8b0fc9e, contains a se…8.6
- CVE-2026-67347Vendure through 3.7.1, fixed in commit f67ef5f, contains a c…6.8
- CVE-2026-67348Julep contains an insecure direct object reference vulnerabi…8.6
- CVE-2026-67349OpenCost before 1.121.0 fails to authenticate the GET /helmV…8.7
- CVE-2026-6735In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.…6.1
- CVE-2026-67351Serendipity before 2.6.1 contains an authentication context …8.8
- CVE-2026-67352luci-app-https-dns-proxy contains a stored cross-site script…7.6
- CVE-2026-67353guzzlehttp/guzzle versions before 7.15.1 contain a denial of…6.9
- CVE-2026-67354guzzlehttp/guzzle versions before 7.15.1 contain an informat…8.2
- CVE-2026-67355guzzlehttp/guzzle versions before 7.15.1 fail to preserve ho…8.2
- CVE-2026-67356ArcadeDB before 26.7.3 binds the real LocalDatabase object i…8.8
Are you affected by CVE-2026-67350?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST