CVE-2015-2718: n/a vulnerability

CVE-2015-2718: The WebChannel.jsm module in Mozilla Firefox before 38.0 allows remote attackers to bypass the Same Origin...

The WebChannel.jsm module in Mozilla Firefox before 38.0 allows remote attackers to bypass the Same Origin Policy and obtain sensitive webchannel-response data via a crafted web site containing an IFRAME element referencing a different web site that is intended to read this data.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 05:24 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2015-2718 is a Firefox WebChannel.jsm same-origin policy bypass fixed before Firefox 38.0. A malicious site could cause Firefox to expose sensitive webchannel-response data meant for another site. The business concern is legacy browser exposure rather than confirmed ongoing exploitation in the provided sources. Exposure is most plausible where Mozilla Firefox older than 38.0, or downstream Linux packages predating vendor security updates, remain in use. Treat this as a legacy-browser hygiene issue unless old Firefox builds are still present. Prioritize remediation for kiosks, lab systems, golden images, and unmanaged desktops that may have missed 2015 browser updates. Mitigation focus: Upgrade Firefox to 38.0 or later where applicable.; Apply relevant Ubuntu, openSUSE, Gentoo, or Oracle vendor security updates.; Remove or isolate unsupported legacy browser installations..

Prepared: Jun 13, 2026, 22:39 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 14, 2015, 10:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
GLSA-201605-06CVE reference · vendor-advisory, x_refsource_GENTOO
https://bugzilla.mozilla.org/show_bug.cgi?id=1146724CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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