Vulnerability CVE-2015-9544
Published: 2020-04-07

Description:
An issue was discovered in xdLocalStorage through 2.0.5. The receiveMessage() function in xdLocalStoragePostMessageApi.js does not implement any validation of the origin of web messages. Remote attackers who can entice a user to load a malicious site can exploit this issue to impact the confidentiality and integrity of data in the local storage of the vulnerable site via malicious web messages.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Cross domain local storage project -> Cross domain local storage 

 References:
https://github.com/ofirdagan/cross-domain-local-storage
https://github.com/ofirdagan/cross-domain-local-storage/issues/17
https://github.com/ofirdagan/cross-domain-local-storage/pull/19
https://grimhacker.com/exploiting-xdlocalstorage-localstorage-and-postmessage/#Missing-Origin-Magic-iframe
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