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CVE-2017-8810

23
FAUCET Score

CVE-2017-8810 describes an information disclosure vulnerability in MediaWiki versions prior to 1.27.4, 1.28.3, and 1.29.2, specifically impacting private wiki configurations. This flaw allows remote attackers to enumerate valid usernames through differing error messages during failed login attempts, facilitating brute-force attacks. The vulnerability carries a CVSSv3 score of 7.5 (High), indicating a network-based attack with low complexity and high confidentiality impact, but no integrity or availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.27.3CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
1.28.0CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.28.0:*:*:*:*:*:*:*
1.28.1CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.28.1:*:*:*:*:*:*:*
1.28.2CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.28.2:*:*:*:*:*:*:*
1.29.0CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.29.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
2.15%
Probability of exploitation in next 30 days
EPSS Percentile
80.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0215 is in the 65th percentile among its peer group of 51,551 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

lists.wikimedia.org / pipermail/mediawiki-announce/2017-November/000216.html
Mailing ListPatchVendor Advisory
debian.org / security/2017/dsa-4036
Third Party Advisory
securitytracker.com / id/1039812
Third Party AdvisoryVDB Entry