What is CVE-2021-31546?

CVE-2021-31546 is a medium-severity vulnerability in MediaWiki, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.3/10. Published 2021-04-22.

How severe is CVE-2021-31546?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in MediaWiki

CVE-2021-31546

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. It incorrectly logged sensitive suppression deletions, which should not have been visible to users with access to view AbuseFilter log data.

EPSS: 0.007 (50.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mediawiki
N/a — versions n/a

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-31546?: CVE-2021-31546 is a medium-severity vulnerability in MediaWiki, classified under Insertion of Sensitive Information into Log File. CVSS score: 4.3/10. Published 2021-04-22.
How severe is CVE-2021-31546?: Medium severity. CVSS v3 base score is 4.3 out of 10.