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CVE-2019-16528

23
FAUCET Score

CVE-2019-16528 is a high-severity information disclosure vulnerability in the AbuseFilter extension for MediaWiki, affecting versions REL1_32 and REL1_33. It allows unauthenticated attackers to access sensitive data, including deleted or suppressed usernames and summaries, from the AbuseLog revision data. With a CVSS score of 7.5, this vulnerability has a high confidentiality impact and requires no user interaction or privileges to exploit. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.32CPE matchmatch criteria
cpe:2.3:a:mediawiki:abusefilter:1.32:*:*:*:*:mediawiki:*:*
1.33CPE matchmatch criteria
cpe:2.3:a:mediawiki:abusefilter:1.33:*:*:*:*:mediawiki:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.32%
Probability of exploitation in next 30 days
EPSS Percentile
67.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0132 is in the 48th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gerrit.wikimedia.org / r/c/mediawiki/extensions/AbuseFilter/+/538051
Patch
gerrit.wikimedia.org / r/c/mediawiki/extensions/AbuseFilter/+/538053
Patch
gerrit.wikimedia.org / r/c/mediawiki/extensions/AbuseFilter/+/538054
Patch
phabricator.wikimedia.org / T224203
Permissions Required