CVE-2026-8874
Last modified
CVE-2026-8874 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. Version 3.0.7 of the Securly Chrome Extension downloads JSON files containing crisis alert keywords and filtering rules over unencrypted HTTP via the Fetch API. Other endpoints in the same extension correctly fetch IWF and CIPA data over HTTPS, demonstrating an inconsistent implementation of TLS.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
Version 3.0.7 of the Securly Chrome Extension downloads JSON files containing crisis alert keywords and filtering rules over unencrypted HTTP via the Fetch API. Other endpoints in the same extension correctly fetch IWF and CIPA data over HTTPS, demonstrating an inconsistent implementation of TLS.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Securly | Securly | 3.0.7 |
References
- https://kb.cert.org/vuls/id/595768Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-8874?
How severe is CVE-2026-8874?
How do I fix CVE-2026-8874?
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-2026-8869The Mutual Funds Data plugin for WordPress is vulnerable to …6.4
- CVE-2026-8870The Team Master – A Modern WordPress Team Showcase plugin fo…6.4
- CVE-2026-8871The Formidable Kinetic plugin for WordPress is vulnerable to…6.4
- CVE-2026-8872The Animate Your Content plugin for WordPress is vulnerable …6.4
- CVE-2026-8873The Content Slideshow plugin for WordPress is vulnerable to …6.4
- CVE-2026-88738Jazzware RT1000 Edge webUI v. 20.0.1 contains an unrestricte…8.8
- CVE-2026-88742Bacularis 1.0.0 - 6.5.0 is vulnerable to Stored cross-site s…5.4
- CVE-2026-88743Bacularis 4.7.0 - 6.5.0 is vulnerable to Stored cross-site s…6.1
- CVE-2026-88745EMLOG-Pro 2.6.29 contains a XSS vulnerability that enables a…6.1
- CVE-2026-88746idccms V1.70 is vulnerable to Cross Site Scripting (XSS) in …7.1
- CVE-2026-8875The Easy Prism Syntax Highlighter plugin for WordPress is vu…6.4
- CVE-2026-88756Pagekit CMS <= 1.0.18 allows an unauthenticated attacker to …5.3
Are you affected by CVE-2026-8874?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST