Improper Input Validation in xdLocalStorage
An issue was discovered in xdLocalStorage through 2.0.5. The receiveMessage() function in xdLocalStorage.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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | xdlocalstorage | <= 2.0.5 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2015-9545
- https://github.com/ofirdagan/cross-domain-local-storage/issues/17
- https://github.com/ofirdagan/cross-domain-local-storage/pull/19
- https://github.com/ofirdagan/cross-domain-local-storage
- https://grimhacker.com/exploiting-xdlocalstorage-localstorage-and-postmessage/#Missing-Origin-Client
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-20- Platform
- npm
- Package
xdlocalstorage- Disclosed
- 09.12.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-76qm-4f93-fg6f - CC BY 4.0
Vulnerability history: xdlocalstorage
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 12.2021 05.2022
- Without a fix
- 4
- Exploited in attacks
- 0
Severity breakdown
- High 3
- Medium 1
Disclosures per year
- 2021: 3
- 2022: 1
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Improper Input Validation in xdLocalStorage this entry
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