CVE-2015-4518
The Reader View implementation in Mozilla Firefox before 42.0 has an improper whitelist, which makes it easier for remote attackers to bypass the Content Security Policy (CSP) protection mechanism and
02 Description
The Reader View implementation in Mozilla Firefox before 42.0 has an improper whitelist, which makes it easier for remote attackers to bypass the Content Security Policy (CSP) protection mechanism and
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.96% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 80.2% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2015-11-05 02:00Z10 YR AGO
- Last updated
- 2024-08-06 06:18Z2 YR AGO
- Reserved
- 2015-06-10
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.1
- Document digest
- 73663910e41859f4f3e37ab5578b4787576fe796ef43c81aca24d4fbb63fd62b
05 Affected products
06 References
- www.securitytracker.com1034069http://www.securitytracker.com/id/1034069
- security.gentoo.orgGLSA-201512-10https://security.gentoo.org/glsa/201512-10
- www.mozilla.orghttp://www.mozilla.org/security/announce/2015/mfsa2015-118.html
- www.ubuntu.comUSN-2785-1http://www.ubuntu.com/usn/USN-2785-1
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1136692
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- lists.opensuse.orgopenSUSE-SU-2015:1942http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00015.html
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1182778
07 Fixed in
Ubuntu 14.04 LTS
- firefox Fixed in 42.0+build2-0ubuntu0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.