HOMEVULNERABILITIESCVE-2017-9063
MEDIUM

CVE-2017-9063

CWE-79Published: May 18, 2017· Updated: Jun 17, 2026

6.1
CVSS v3.1

Official Description

In WordPress before 4.7.5, a cross-site scripting (XSS) vulnerability related to the Customizer exists, involving an invalid customization session.

NVD Source

Technical Analysis

CVE-2017-9063 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeChanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Vendors & Products

Debian1 product(s)
debian linux
WordPress1 product(s)
wordpress
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (14)

http://www.securityfocus.com/bid/98509Third Party Advisory · VDB Entry
http://www.securitytracker.com/id/1038520Third Party Advisory · VDB Entry
https://codex.wordpress.org/Version_4.7.5Patch · Release Notes · Vendor Advisory
https://wpvulndb.com/vulnerabilities/8820Patch · Third Party Advisory
http://www.securityfocus.com/bid/98509Third Party Advisory · VDB Entry
http://www.securitytracker.com/id/1038520Third Party Advisory · VDB Entry
https://codex.wordpress.org/Version_4.7.5Patch · Release Notes · Vendor Advisory
https://wpvulndb.com/vulnerabilities/8820Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2017-9063
CVSS Score6.1 / 10
SeverityMEDIUM
WeaknessCWE-79
CISA KEVNo
Affected2 vendor(s)
PublishedMay 18, 2017

Related CVEs (CWE-79)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2017-9063 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.