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CVE-2018-18511

18
FAUCET Score

CVE-2018-18511 describes a vulnerability in Mozilla Firefox versions prior to 65.0.1, where cross-origin images could be read from a canvas element, bypassing the same-origin policy, specifically affecting Firefox 65. This medium-severity vulnerability (CVSS 4.3) has a network attack vector, low attack complexity, and requires user interaction, potentially leading to a loss of confidentiality. There is no evidence of active exploitation, publicly available exploit code in Metasploit, Nuclei, or ExploitDB, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
65.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:65.0:*:*:*:*:*:*:*
< 65.0.1CPE match
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.62%
Probability of exploitation in next 30 days
EPSS Percentile
73.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0162 is in the 86th percentile among its peer group of 26,236 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: firefox-0:60.7.0-1.el7_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:60.7.0-1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:60.7.0-1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: thunderbird-0:60.7.0-1.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: thunderbird-0:60.7.0-1.el7_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: firefox-0:60.7.0-1.el8_0
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2018-18511Moderate

mozilla: Cross-origin theft of images with ImageBitmapRenderingContext

Feb 12, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-06/msg00002.html
lists.opensuse.org / opensuse-security-announce/2019-06/msg00029.html
lists.opensuse.org / opensuse-security-announce/2019-06/msg00084.html
access.redhat.com / errata/RHSA-2019:1265
access.redhat.com / errata/RHSA-2019:1267
access.redhat.com / errata/RHSA-2019:1269
access.redhat.com / errata/RHSA-2019:1308
access.redhat.com / errata/RHSA-2019:1309
access.redhat.com / errata/RHSA-2019:1310
bugzilla.mozilla.org / show_bug.cgi
Issue TrackingPermissions RequiredVendor Advisory
lists.debian.org / debian-lts-announce/2019/05/msg00032.html
lists.debian.org / debian-lts-announce/2019/05/msg00038.html
seclists.org / bugtraq/2019/May/56
seclists.org / bugtraq/2019/May/59
seclists.org / bugtraq/2019/May/67
usn.ubuntu.com / 3997-1
debian.org / security/2019/dsa-4448
debian.org / security/2019/dsa-4451
mozilla.org / security/advisories/mfsa2019-04
Vendor Advisory