🛡️ CVE-2026-67350

🟡 CVSS 4.3 — Medium ✅ No Known Exploit CWE-601 NVD
4.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability none.

Weakness class

CVE-2026-67350 is classified as CWE-601: Open Redirect. A redirect target is taken from user input, so a trusted link can send the visitor to an attacker's site.

Affected software

CVE-2026-67350 is recorded against 1 package.

  • unknown

Timeline and source

Published on 31 July 2026 and last revised on 1 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com
www.vulncheck.com
github.com

Details

Severity MEDIUM
CVSS Score 4.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE CWE-601
Public Exploit ✅ No
Source NVD
Published 2026-07-31
Updated 2026-08-11
Modified 2026-08-01
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

Similar Threats

Vulnerability Monitoring

Track new vulnerabilities in the affected software

CVE-2026-67350 is rated CVSS 4.3 Medium. BotEraser monitors your WordPress installation and notifies you when software you use appears in our vulnerability database.

Set Up Free Alerts →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.