5.4med

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 intende…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
5.4
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.9%
percentile 87%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

2.89% probability of exploitation in the next 30 days, higher than 87% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.4CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD2.03.5AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds
WordPress (RSS, critical only)

References

  • securityfocus.com /bid/106220 · vdb-entry, x_refsource_BID, x_transferred
  • wordpress.org /support/wordpress-version/version-5-0-1/ · x_refsource_MISC, x_transferred
  • codex.wordpress.org /Version_4.9.9 · x_refsource_MISC, x_transferred
  • wpvulndb.com /vulnerabilities/9175 · x_refsource_MISC, x_transferred
  • github.com /WordPress/WordPress/commit/246a70bdbfac3bd45ff71c7941deef1bb206b19a · x_refsource_MISC, x_transferred
  • debian.org /security/2019/dsa-4401 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • wordpress.org /news/2018/12/wordpress-5-0-1-security-release/ · x_refsource_MISC, x_transferred
  • lists.debian.org /debian-lts-announce/2019/02/msg00019.html · mailing-list, x_refsource_MLIST, x_transferred
  • zdnet.com /article/wordpress-plugs-bug-that-led-to-google-indexing-some-user-passwords/ · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.