What is CVE-2017-8808?

CVE-2017-8808 is a medium-severity vulnerability in MediaWiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-11-15.

How severe is CVE-2017-8808?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in MediaWiki

CVE-2017-8808

MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 has XSS when the $wgShowExceptionDetails setting is false and the browser sends non-standard URL escaping.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (60.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Mediawiki — versions 1.28.0, 1.28.1, 1.28.2
Debian Debian_linux — versions 9.0
N/a 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

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@debian.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
security@debian.org (x_refsource_CONFIRM, Patch, Mailing List, Vendor Advisory)
security@debian.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)

Frequently asked questions

What is CVE-2017-8808?: CVE-2017-8808 is a medium-severity vulnerability in MediaWiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-11-15.
How severe is CVE-2017-8808?: Medium severity. CVSS v3 base score is 6.1 out of 10.