CVE-2018-20149

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 87%
VendorProductVersion
wordpresswordpress
𝑥
< 4.9.9
wordpresswordpress
5.0 ≤
𝑥
< 5.0.1
debiandebian_linux
8.0
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wordpress
bullseye (security)
5.7.11+dfsg1-0+deb11u1
fixed
bullseye
5.7.11+dfsg1-0+deb11u1
fixed
bookworm
6.1.6+dfsg1-0+deb12u1
fixed
bookworm (security)
6.1.6+dfsg1-0+deb12u1
fixed
sid
6.6.1+dfsg1-1
fixed
trixie
6.6.1+dfsg1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
wordpress
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
cosmic
ignored
bionic
needed
xenial
needed
trusty
dne
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/106220
https://codex.wordpress.org/Version_4.9.9
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
https://codex.wordpress.org/Version_4.9.9
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/