What is CVE-2019-14807?

CVE-2019-14807 is a medium-severity vulnerability in MediaWiki Mobilefrontend, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-08-09.

How severe is CVE-2019-14807?

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

XSS in MediaWiki Mobilefrontend

CVE-2019-14807

In the MobileFrontend extension 1.31 through 1.33 for MediaWiki, XSS exists within the edit summary field in includes/specials/MobileSpecialPageFeed.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-08-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

MediaWiki Mobilefrontend

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

phabricator.wikimedia.org/T229541 (Patch, Third Party Advisory)
gerrit.wikimedia.org/g/mediawiki/extensions/MobileFrontend/+/08dfc59771d0ed9b73… (Third Party Advisory)

Frequently asked questions

What is CVE-2019-14807?: CVE-2019-14807 is a medium-severity vulnerability in MediaWiki Mobilefrontend, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-08-09.
How severe is CVE-2019-14807?: Medium severity. CVSS v3 base score is 6.1 out of 10.