CVE-2026-103418
Last modified
CVE-2026-103418 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Firefox for iOS directly interpolated the page’s HTML language attribute into translation JavaScript, allowing attacker-controlled markup to execute code in Firefox’s privileged content world and bypass the page’s Content Security Policy. This vulnerability was fixed in Firefox for iOS 157.1.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
Description
Firefox for iOS directly interpolated the page’s HTML language attribute into translation JavaScript, allowing attacker-controlled markup to execute code in Firefox’s privileged content world and bypass the page’s Content Security Policy. This vulnerability was fixed in Firefox for iOS 157.1.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox for iOS | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-103418?
How severe is CVE-2026-103418?
How do I fix CVE-2026-103418?
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-2026-103412Improper limitation of a pathname to a restricted directory …8.8
- CVE-2026-103413Improper input validation vulnerability in Apache Camel Kara…8.8
- CVE-2026-103414The GUIX binary resource (theme) loader sizes its arena and …8.4
- CVE-2026-103415When a TLS 1.3 client processes a HelloRetryRequest, it copi…9.3
- CVE-2026-103416Out-of-bounds write via the TLS 1.3 handshake message cache …9.3
- CVE-2026-103417Firefox for iOS could autofill saved credentials into a new …5.5
- CVE-2026-103421The WPMobile.App – Android and iOS App Builder plugin for Wo…5.4
- CVE-2026-103422The AnyComment plugin for WordPress is vulnerable to Stored …7.2
- CVE-2026-103423The Booking Package plugin for WordPress is vulnerable to au…7.5
- CVE-2026-103424The Anti-Spam by CleanTalk – Spam Protection Without CAPTCHA…5.4
- CVE-2026-103425The Booking Package plugin for WordPress is vulnerable to St…6.4
- CVE-2026-103426The Relevanssi Premium plugin for WordPress is vulnerable to…7.2
Are you affected by CVE-2026-103418?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
