CVE-2016-5265: mozilla firefox Cross-site Scripting
CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2016-5265DEBIAN-CVE-2016-5265
Published 05-08-2016Last modified 06-08-2024
Vulnerability summary
CVE-2016-5265 is a medium (CVSS 5.5) Cross-site Scripting vulnerability in mozilla firefox. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 68.8% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
1.25%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 13 · Related 9Timeline
- 05-08-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allow user-assisted remote attackers to bypass the Same Origin Policy, and conduct Universal XSS (UXSS) attacks or read arbitrary files, by arranging for the presence of a crafted HTML document and a crafted shortcut file in the same local directory.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:H/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.25%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
0.00 pp
From 1.25% on 19-09-2026
19-09-202619-10-2026
EPSS score1.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected systems
Debian1 product
- firefox-esr< 45.3.0esr-1
Mozilla1 product
- firefox≤ 47.0.1 | 45.1.0 | 45.1.1 | 45.2.0 | 45.3.0
Oracle1 product
- linuxEOL5.0 | 6 | 7
Ubuntu1 product
- firefox< 48.0+build2-0ubuntu0.14.04.1 | < 48.0+build2-0ubuntu0.16.04.1
4 vendors · 4 products
References
16 links
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlX Refsource CONFIRMThird Party Advisory