WordPress <= 5.0 - File Upload to XSS on Apache Web Servers



Description
According to WordPress:

"Tim Coen and Slavco discovered that authors on Apache-hosted sites could upload specifically crafted files that bypass MIME verification, leading to a cross-site scripting vulnerability."

Affects WordPresses

fixed in version 5.0.1
fixed in version 4.9.9
fixed in version 4.9.9
fixed in version 4.9.9
fixed in version 4.9.9
fixed in version 4.9.9
fixed in version 4.9.9
fixed in version 4.9.9
fixed in version 4.9.9
fixed in version 4.9.9
fixed in version 4.8.8
fixed in version 4.8.8
fixed in version 4.8.8
fixed in version 4.8.8
fixed in version 4.8.8
fixed in version 4.8.8
fixed in version 4.8.8
fixed in version 4.8.8
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.7.12
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.6.13
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.5.16
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.4.17
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.3.18
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.2.22
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.1.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 4.0.25
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.9.26
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.8.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28
fixed in version 3.7.28

References

CVE 2018-20149
URL https://wordpress.org/news/2018/12/wordpress-5-0-1-security-release/
URL https://github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19a

Classification

Type XSS
OWASP Top 10 A3: Cross-Site Scripting (XSS)
CWE CWE-79

Miscellaneous

Original Researcher Tim Coen and Slavco
Submitter Ryan Dewhurst
Submitter Website https://dewhurstsecurity.com/
Submitter Twitter ethicalhack3r
Views 9309
Verified No
WPVDB ID 9175

Timeline

Publicly Published 2018-12-13 (about 1 month ago)
Added 2018-12-13 (about 1 month ago)
Last Updated 2019-01-10 (12 days ago)

Copyright & License

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License Some of this data may be used for non-commercial purposes, however, any potential commercial usage of this data will require a license. If you would like to inquire about a commercial license please contact us.