Vulnerability in MediaWiki

CVE-2017-8812

MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows remote attackers to inject > (greater than) characters via the id attribute of a headline.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.016 (75.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-8812: held from 0.016 to 0.016.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

  • MediaWiki — versions 1.28.0, 1.28.1, 1.28.2
  • Debian Linux — versions 9.0
  • MediaWiki Before 1.27.4, 1.28.x 1.28.3, And 1.29.x 1.29.2 — versions MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2

References

Frequently asked questions

What is CVE-2017-8812?
CVE-2017-8812 is a medium-severity vulnerability in MediaWiki. CVSS score: 5.3/10. Published 2017-11-15.
How severe is CVE-2017-8812?
Medium severity. CVSS v3 base score is 5.3 out of 10.