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CVE-2015-9366

20
FAUCET Score

CVE-2015-9366 describes a Cross-Site Scripting (XSS) vulnerability in the Custom URL Tracking Add-on for iThemes Exchange, affecting versions prior to 1.1.0 for WordPress. This medium-severity vulnerability (CVSS 6.1) allows unauthenticated attackers to inject malicious scripts via the add_query_arg() and remove_query_arg() functions, requiring user interaction to exploit and potentially leading to information disclosure or defacement. 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
< 1.1.0CPE matchmatch criteria
cpe:2.3:a:ithemes:custom_url_tracking:*:*:*:*:*:wordpress:*:*

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
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0095 is in the 70th percentile among its peer group of 26,209 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

Remediation records are not available for this CVE.

References

blog.sucuri.net / 2015/04/security-advisory-xss-vulnerability-affecting-multiple-wordpress-plugins.html
Third Party Advisory
ithemes.com / coordinated-wordpress-plugin-security-update
PatchVendor Advisory