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Chrome for iOS CVE-2026-13812

| EUVDEUVD-2026-40498 MEDIUM
Improper Input Validation (CWE-20)
2026-06-30 chrome-cve-admin@google.com GHSA-q3qq-qqrh-7wxq
4.7
CVSS 3.1 · Vendor: google
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Severity by source

Vendor (google) PRIMARY
4.7 MEDIUM
AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
vuln.today AI
4.7 MEDIUM

AC:H reflects mandatory specific UI gesture sequence; S:C captures UXSS same-origin policy bypass; no availability impact applies.

3.1 AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:H/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
SUSE
MEDIUM
qualitative

Primary rating from Vendor (google).

CVSS VectorVendor: google

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

4
Analysis Generated
Jul 01, 2026 - 16:27 vuln.today
CVSS changed
Jul 01, 2026 - 16:22 NVD
4.7 (MEDIUM)
CVE Published
Jun 30, 2026 - 23:16 cve.org
UNKNOWN (no severity yet)
CVE Published
Jun 30, 2026 - 23:16 cve.org
MEDIUM 4.7

DescriptionCVE.org

Insufficient validation of untrusted input in Chrome for iOS in Google Chrome on iOS prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific UI gestures to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: High)

AnalysisAI

Universal Cross-Site Scripting (UXSS) in Google Chrome for iOS prior to 150.0.7871.47 enables a remote attacker to inject arbitrary scripts or HTML across origins by exploiting insufficient input validation triggered through specific user UI gestures on a crafted page. The scope change (S:C in CVSS) is the critical dimension here - successful exploitation bypasses the same-origin policy, potentially granting the attacker script execution in the context of arbitrary origins within the browser session. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Host crafted HTML page
Delivery
Deliver link to iOS Chrome user via phishing
Exploit
User visits page in Chrome for iOS
Install
Attacker induces specific UI gesture sequence
C2
Input validation failure triggers UXSS injection
Execute
Attacker scripts execute across arbitrary browser origins
Impact
Exfiltrate cross-origin session data

Vulnerability AssessmentAI

Exploitation Exploitation requires two concrete conditions: first, the victim must be using Google Chrome on an iOS device running a version prior to 150.0.7871.47; second, the victim must be socially engineered into performing specific UI gestures (e.g., a particular tap, swipe, or interactive sequence) while visiting an attacker-controlled HTML page - passive page load alone is insufficient. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The raw CVSS score of 4.7 (Medium) reflects the High attack complexity (AC:H) which is the primary risk-reduction factor - the attacker must convince a user to perform specific UI gestures, not merely visit a page. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker registers or compromises a website and embeds a specially crafted HTML page designed to trigger the input validation flaw. The attacker lures an iOS Chrome user to the page via phishing or a malicious link and instructs or tricks the user into performing a specific in-browser UI gesture sequence - such as a particular tap, swipe, or drag interaction. …
Remediation The primary fix is to update Google Chrome on iOS to version 150.0.7871.47 or later, available through the Apple App Store. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Tumbleweed Fixed
SUSE Package Hub 15 SP7 Affected

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CVE-2026-13812 vulnerability details – vuln.today

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