CVE-2015-9544: An issue was discovered in xdLocalStorage through 2.0.5

Q: How do I fix CVE-2015-9544?

cross domain local storage: upgrade to newer than 2.0.5. Exact commands for each OS are on this page.

Q: Is CVE-2015-9544 being exploited?

CVE-2015-9544 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2015-9544 affect?

CVE-2015-9544 affects cross domain local storage. Severity is high (CVSS 7.1). 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 mali

Q: How urgent is CVE-2015-9544?

Priority 48/100. High severity; Public exploit reference

This month

HIGH 7.1UPGRADE

CVE-2015-9544 is a high-severity flaw (CVSS 7.1) affecting cross domain local storage. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-20
Published	2020-04-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cross domain local storage project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-04-07 18:15 UTCPublished CVE record published
2026-06-17 00:36 UTCUpdated Record last modified

cross domain local storage project cross domain local storage UPGRADE

Affected: <= 2.0.5

Fixed in: newer than 2.0.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cross-domain-local-storage || rpm -q cross-domain-local-storage || cross-domain-local-storage --version

2. UPGRADE to newer than 2.0.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cross-domain-local-storage

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cross-domain-local-storage

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-9544?

cross domain local storage: upgrade to newer than 2.0.5. Exact commands for each OS are on this page.

Is CVE-2015-9544 being exploited?

CVE-2015-9544 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-9544 affect?

CVE-2015-9544 affects cross domain local storage. Severity is high (CVSS 7.1). 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 mali

How urgent is CVE-2015-9544?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2020-11611 MEDIUM 6.1 UPGRADE An issue was discovered in xdLocalStorage through 2.0.5
CVE-2020-11610 HIGH 8.8 UPGRADE An issue was discovered in xdLocalStorage through 2.0.5
CVE-2015-9545 HIGH 7.1 UPGRADE An issue was discovered in xdLocalStorage through 2.0.5

References

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