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CVE-2020-11611

MEDIUM
6.1
CVSS Score
Published: April 7, 2020 at 05:18 PM UTC
Updated: June 17, 2026 at 02:50 AM UTC
1 product affected across 1 vendorCross Domain Local Storage

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.9%

Description

An issue was discovered in xdLocalStorage through 2.0.5. The buildMessage() function in xdLocalStorage.js specifies the wildcard (*) as the targetOrigin when calling the postMessage() function on the iframe object. Therefore any domain that is currently loaded within the iframe can receive the messages that the client sends.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCProductThird Party Advisory
Source: [email protected]
https://github.com/ofirdagan/cross-domain-local-storage
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://grimhacker.com/exploiting-xdlocalstorage-localstorage-and-postmessage/#Missing-TargetOrigin-Client

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-601

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