CVE-2020-11610

Name: CVE-2020-11610
Creator: NVD / NIST
Published: 2020-04-07T18:15:13.587+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.41%

Last modified Jun 17, 2026

CVE-2020-11610 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in xdLocalStorage through 2.0.5. The postData() function in xdLocalStoragePostMessageApi.js specifies the wildcard (*) as the targetOrigin when calling the postMessage() function on the parent object. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

Description

An issue was discovered in xdLocalStorage through 2.0.5. The postData() function in xdLocalStoragePostMessageApi.js specifies the wildcard (*) as the targetOrigin when calling the postMessage() function on the parent object. Therefore any domain can load the application hosting the "magical iframe" and receive the messages that the "magical iframe" sends.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.41%

69.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-668

Affected Software

Vendor	Product	Versions
Cross Domain Local Storage Project	Cross Domain Local Storage	<= 2.0.5

References

https://github.com/ofirdagan/cross-domain-local-storageProduct
https://grimhacker.com/exploiting-xdlocalstorage-localstorage-and-postmessage/#Missing-TargetOrigin-Magic-iframeExploit, Third Party Advisory
https://github.com/ofirdagan/cross-domain-local-storageProduct
https://grimhacker.com/exploiting-xdlocalstorage-localstorage-and-postmessage/#Missing-TargetOrigin-Magic-iframeExploit, Third Party Advisory

Timeline

Published: Apr 7, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11610?

How severe is CVE-2020-11610?

CVE-2020-11610 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11610?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-11610?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST