CVE catalog

CVE-2018-20149

wordpress: CVE-2018-20149

Severity: Medium
Published: Dec 14, 2018, 8:29:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.89% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	wordpress	sid	`7.1.3+dfsg1-1`	fixed
Debian	wordpress	forky	`7.1.3+dfsg1-1`	fixed
Debian	wordpress	trixie	`6.8.7+dfsg1-0+deb13u1`	fixed
Debian	wordpress	trixie-security	`6.8.10+dfsg1-0+deb13u1`	fixed
Debian	wordpress	bookworm	`6.1.9+dfsg1-0+deb12u1`	fixed
Debian	wordpress	bookworm-security	`6.1.9+dfsg1-0+deb12u1`	fixed
Ubuntu	wordpress	16.04	`4.3+dfsg-1`	vulnerable
Ubuntu	wordpress	16.04	`4.3.1+dfsg-1`	vulnerable
Ubuntu	wordpress	16.04	`4.4+dfsg-1`	vulnerable
Ubuntu	wordpress	16.04	`4.4.1+dfsg-1`	vulnerable
Ubuntu	wordpress	16.04	`4.4.2+dfsg-1`	vulnerable
Ubuntu	wordpress	16.04	`4.4.2+dfsg-1ubuntu1`	vulnerable
Ubuntu	wordpress	18.04	`4.8.2+dfsg-2`	vulnerable
Ubuntu	wordpress	18.04	`4.8.3+dfsg-1`	vulnerable
Ubuntu	wordpress	18.04	`4.9.1+dfsg-1`	vulnerable
Ubuntu	wordpress	18.04	`4.9.2+dfsg-1`	vulnerable
Ubuntu	wordpress	18.04	`4.9.4+dfsg-1`	vulnerable
Ubuntu	wordpress	18.04	`4.9.5+dfsg1-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	wordpress	source	sid	`5.0.1+dfsg1-1`	not yet assigned	Not reported	[916403]
Debian	wordpress	source	forky	`5.0.1+dfsg1-1`	not yet assigned	Not reported	[916403]
Debian	wordpress	source	trixie	`5.0.1+dfsg1-1`	not yet assigned	Not reported	[916403]
Debian	wordpress	source	bookworm	`5.0.1+dfsg1-1`	not yet assigned	Not reported	[916403]

[Debian bug #916403]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[wordpress]Unknown
Details (4)
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
[wordpress-l10n]Unknown
Source package: [wordpress]
Details (4)
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
[wordpress-theme-twentytwentyone]Unknown
Source package: [wordpress]
Details (4)
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
[wordpress-theme-twentytwentythree]Unknown
Source package: [wordpress]
Details (4)
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
[wordpress-theme-twentytwentytwo]Unknown
Source package: [wordpress]
Details (4)
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12
- 6.1.9+dfsg1-0+deb12u1 · all · bookworm-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · bookworm; dsa · wordpress · debian · 12

[Debian 13 (Trixie)]

[wordpress]Unknown
Details (6)
- 6.8.3+dfsg1-0+deb13u1 · all · trixie
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.3+dfsg1-0+deb13u1 · all · trixie
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.10+dfsg1-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.6+dfsg1-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.7+dfsg1-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.7+dfsg1-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
[wordpress-l10n]Unknown
Source package: [wordpress]
Details (6)
- 6.8.3+dfsg1-0+deb13u1 · all · trixie
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.3+dfsg1-0+deb13u1 · all · trixie
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.10+dfsg1-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.6+dfsg1-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.7+dfsg1-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.7+dfsg1-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
[wordpress-theme-twentytwentyfive]Unknown
Source package: [wordpress]
Details (6)
- 6.8.3+dfsg1-0+deb13u1 · all · trixie
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.3+dfsg1-0+deb13u1 · all · trixie
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.10+dfsg1-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.6+dfsg1-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.7+dfsg1-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.7+dfsg1-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
[wordpress-theme-twentytwentyfour]Unknown
Source package: [wordpress]
Details (6)
- 6.8.3+dfsg1-0+deb13u1 · all · trixie
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.3+dfsg1-0+deb13u1 · all · trixie
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.10+dfsg1-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.6+dfsg1-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.7+dfsg1-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.7+dfsg1-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
[wordpress-theme-twentytwentythree]Unknown
Source package: [wordpress]
Details (6)
- 6.8.3+dfsg1-0+deb13u1 · all · trixie
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.3+dfsg1-0+deb13u1 · all · trixie
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.10+dfsg1-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.6+dfsg1-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.7+dfsg1-0+deb13u1 · all · trixie-security · Historical version
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13
- 6.8.7+dfsg1-0+deb13u1 · all · trixie-security
  Fixed · Fixed: 5.0.1+dfsg1-1
  dsa · wordpress · debian · 13

Observed: Oct 23, 2026, 5:35:57 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]