Vulnerability Name:

CVE-2018-20149 (CCN-154332)

Assigned:2018-12-13
Published:2018-12-13
Updated:2019-03-04
Summary:In WordPress before 4.9.9 and 5.x before 5.0.1, when the Apache HTTP Server is used, authors could upload crafted files that bypass intended MIME type restrictions, leading to XSS, as demonstrated by a .jpg file without JPEG data.
CVSS v3 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
5.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
5.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
5.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Cross-Site Scripting
References:Source: MITRE
Type: CNA
CVE-2018-20149

Source: BID
Type: Third Party Advisory, VDB Entry
106220

Source: MISC
Type: Product, Vendor Advisory
https://codex.wordpress.org/Version_4.9.9

Source: XF
Type: UNKNOWN
wp-cve201820149-xss(154332)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19a

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20190211 [SECURITY] [DLA 1673-1] wordpress security update

Source: CCN
Type: WordPress Web site
WordPress 5.0.1 Security Release

Source: MISC
Type: Release Notes, Vendor Advisory
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/

Source: MISC
Type: Release Notes, Vendor Advisory
https://wordpress.org/support/wordpress-version/version-5-0-1/

Source: MISC
Type: Vendor Advisory
https://wpvulndb.com/vulnerabilities/9175

Source: DEBIAN
Type: Third Party Advisory
DSA-4401

Source: MISC
Type: Press/Media Coverage, Third Party Advisory
https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:wordpress:wordpress:*:*:*:*:*:*:*:* (Version < 4.9.9)
  • OR cpe:/a:wordpress:wordpress:*:*:*:*:*:*:*:* (Version >= 5.0 and < 5.0.1)

  • Configuration 2:
  • cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:wordpress:wordpress:5.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:2018201490000000
    V
    CVE-2018-20149 on Ubuntu 19.04 (disco) - medium.
    2018-12-14
    oval:com.ubuntu.bionic:def:201820149000
    V
    CVE-2018-20149 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-12-14
    oval:com.ubuntu.cosmic:def:2018201490000000
    V
    CVE-2018-20149 on Ubuntu 18.10 (cosmic) - medium.
    2018-12-14
    oval:com.ubuntu.cosmic:def:201820149000
    V
    CVE-2018-20149 on Ubuntu 18.10 (cosmic) - medium.
    2018-12-14
    oval:com.ubuntu.bionic:def:2018201490000000
    V
    CVE-2018-20149 on Ubuntu 18.04 LTS (bionic) - medium.
    2018-12-14
    oval:com.ubuntu.trusty:def:201820149000
    V
    CVE-2018-20149 on Ubuntu 14.04 LTS (trusty) - medium.
    2018-12-14
    oval:com.ubuntu.xenial:def:2018201490000000
    V
    CVE-2018-20149 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-12-14
    oval:com.ubuntu.xenial:def:201820149000
    V
    CVE-2018-20149 on Ubuntu 16.04 LTS (xenial) - medium.
    2018-12-14
    BACK
    wordpress wordpress *
    wordpress wordpress *
    debian debian linux 8.0
    debian debian linux 9.0
    wordpress wordpress 5.0