CVE-2026-33245
Last modified
CVE-2026-33245 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. React Router is a router for React. In versions 7.7.0 through 7.13.1, when using React Router's unstable React Server Components (RSC) APIs, there is a potential client-side Cross-Site Scripting (XSS) vulnerability in the RSC redirect handling if redirects come from untrusted sources. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
React Router is a router for React. In versions 7.7.0 through 7.13.1, when using React Router's unstable React Server Components (RSC) APIs, there is a potential client-side Cross-Site Scripting (XSS) vulnerability in the RSC redirect handling if redirects come from untrusted sources. This does not impact applications that are not using the unstable RSC APIs in React Router. This is patched in version 7.13.2.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Shopify | React-Router | >= 7.7.0, < 7.13.2 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-33245?
How severe is CVE-2026-33245?
How do I fix CVE-2026-33245?
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-2026-33238WWBN AVideo is an open source video platform. Prior to versi…4.3
- CVE-2026-3324Zohocorp ManageEngine Log360 versions 13000 through 13013 ar…8.2
- CVE-2026-33241Salvo is a Rust web framework. Prior to version 0.89.3, Salv…7.5
- CVE-2026-33242Salvo is a Rust web framework. Versions 0.39.0 through 0.89.…7.5
- CVE-2026-33243barebox is a bootloader. In barebox from version 2016.03.0 t…8.2
- CVE-2026-33244React Router is a router for React. In versions 7.5.1 throug…5.4
- CVE-2026-33246NATS-Server is a High-Performance server for NATS.io, a clou…5.4
- CVE-2026-33247NATS-Server is a High-Performance server for NATS.io, a clou…5.3
- CVE-2026-33248NATS-Server is a High-Performance server for NATS.io, a clou…4.2
- CVE-2026-33249NATS-Server is a High-Performance server for NATS.io, a clou…4.3
- CVE-2026-3325SQL injection (SQLi) in MegaCMS v12.0.0, specifically in the…10
- CVE-2026-33250Freeciv21 is a free open source, turn-based, empire-building…7.5
Are you affected by CVE-2026-33245?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST