Medium severity5.4OSV Advisory· Published Dec 14, 2018· Updated Jun 17, 2026
CVE-2018-20149
CVE-2018-20149
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
64.9.8+ 2 more
- (no CPE)range: 4.9.8
- cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*range: <4.9.9
- (no CPE)range: <4.9.9 and <5.0.1
Patches
Vulnerability mechanics
References
9- github.com/WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19anvdPatchThird Party Advisory
- www.securityfocus.com/bid/106220nvdThird Party AdvisoryVDB Entry
- codex.wordpress.org/Version_4.9.9nvdProductVendor Advisory
- lists.debian.org/debian-lts-announce/2019/02/msg00019.htmlnvdMailing ListThird Party Advisory
- wordpress.org/news/2018/12/wordpress-5-0-1-security-release/nvdRelease NotesVendor Advisory
- wordpress.org/support/wordpress-version/version-5-0-1/nvdRelease NotesVendor Advisory
- wpvulndb.com/vulnerabilities/9175nvdVendor Advisory
- www.debian.org/security/2019/dsa-4401nvdThird Party Advisory
- www.zdnet.com/article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/nvdPress/Media CoverageThird Party Advisory
News mentions
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