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CVE-2018-10101

22
FAUCET Score

CVE-2018-10101 is a medium-severity vulnerability affecting WordPress versions prior to 4.9.5, where the URL validator incorrectly assumed URLs with "localhost" were on the same server. This flaw, categorized as CWE-601 (URL Redirection to Untrusted Site), could allow for client-side attacks. With a CVSS score of 6.1, it requires user interaction and has low impact on confidentiality and integrity, but no impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.9.5CPE matchmatch criteria
cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.26%
Probability of exploitation in next 30 days
EPSS Percentile
87.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0326 is in the 94th percentile among its peer group of 26,208 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

codex.wordpress.org / Version_4.9.5
Vendor Advisory
core.trac.wordpress.org / changeset/42894
PatchVendor Advisory
github.com / WordPress/WordPress/commit/804363859602d4050d9a38a21f5a65d9aec18216
PatchThird Party Advisory
wordpress.org / news/2018/04/wordpress-4-9-5-security-and-maintenance-release
Vendor Advisory
wpvulndb.com / vulnerabilities/9053
Third Party Advisory
debian.org / security/2018/dsa-4193
Third Party Advisory
securityfocus.com / bid/104350
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040836
Third Party AdvisoryVDB Entry