CVE-2026-23769
MEDIUMCVSS 6.1/10EPSS 0.20%
Last modified
CVE-2026-23769 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. lucy-xss-filter before commit e5826c0 allows an attacker to execute malicious JavaScript due to improper sanitization caused by misconfigured default superset rule files.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
Description
lucy-xss-filter before commit e5826c0 allows an attacker to execute malicious JavaScript due to improper sanitization caused by misconfigured default superset rule files.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Naver | Lucy-Xss-Filter | < 2025-06-08 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-23769?
lucy-xss-filter before commit e5826c0 allows an attacker to execute malicious JavaScript due to improper sanitization caused by misconfigured default superset rule files.
How severe is CVE-2026-23769?
CVE-2026-23769 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2026-23769?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- 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-2026-23763VB-Audio Matrix and Matrix Coconut (versions ending in 1.0.2…8.5
- CVE-2026-23764VB-Audio Voicemeeter, Voicemeeter Banana, and Voicemeeter Po…6.8
- CVE-2026-23765Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-23766Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2026-23767ESC/POS, a printer control language designed by Seiko Epson …9.8
- CVE-2026-23768lucy-xss-filter before commit 7c1de6d allows an attacker to …6.1
- CVE-2026-2377A flaw was found in Red Hat Quay and mirror registry for Red…6.5
- CVE-2026-23772Dell Storage Manager - Replay Manager for Microsoft Servers,…7.3
- CVE-2026-23773Dell Disk Library for Mainframe, version(s) DLm 8700/2700 co…4.3
- CVE-2026-23774Dell PowerProtect Data Domain with Data Domain Operating Sys…7.2
- CVE-2026-23775Dell PowerProtect Data Domain appliances with Data Domain Op…5.7
- CVE-2026-23776Dell PowerProtect Data Domain with Data Domain Operating Sys…8.8
Are you affected by CVE-2026-23769?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST