Search for vulnerabilities
Vulnerability details: VCID-8j6w-s38j-6fbd
Vulnerability ID VCID-8j6w-s38j-6fbd
Aliases CVE-2018-20149
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.
Status Published
Exploitability 0.5
Weighted Severity 4.9
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-20149
https://codex.wordpress.org/Version_4.9.9
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20147
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20148
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20149
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20150
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20151
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20152
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20153
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8942
https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19a
https://lists.debian.org/debian-lts-announce/2019/02/msg00019.html
https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/
https://wordpress.org/support/wordpress-version/version-5-0-1/
https://wpvulndb.com/vulnerabilities/9175
https://www.debian.org/security/2019/dsa-4401
https://www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/
http://www.securityfocus.com/bid/106220
916403 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916403
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2018-20149 https://nvd.nist.gov/vuln/detail/CVE-2018-20149
No exploits are available.
Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20149
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20149
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Exploit Prediction Scoring System (EPSS)
Percentile 0.83481
EPSS Score 0.02111
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:59:31.623696+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2018-20149 37.0.0