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CVE-2015-9545

19
FAUCET Score

CVE-2015-9545 affects xdLocalStorage through version 2.0.5, stemming from a lack of origin validation in the receiveMessage() function. This flaw allows remote attackers to compromise data confidentiality and integrity in a vulnerable site's local storage by enticing a user to visit a malicious website. With a CVSS score of 7.1 (HIGH), exploitation requires user interaction (UI:R) but has low attack complexity (AC:L), leading to high impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.5CPE matchmatch criteria
cpe:2.3:a:cross_domain_local_storage_project:cross_domain_local_storage:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.33%
Probability of exploitation in next 30 days
EPSS Percentile
68.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0133 is in the 66th percentile among its peer group of 11,617 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

npmGHSA-76qm-4f93-fg6fhigh

Improper Input Validation in xdLocalStorage

Dec 9, 2021

References

github.com / ofirdagan/cross-domain-local-storage
ProductThird Party Advisory
github.com / ofirdagan/cross-domain-local-storage/issues/17
PatchThird Party Advisory
github.com / ofirdagan/cross-domain-local-storage/pull/19
PatchThird Party Advisory
grimhacker.com / exploiting-xdlocalstorage-localstorage-and-postmessage
ExploitThird Party Advisory