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CVE-2017-18566

29
FAUCET Score

CVE-2017-18566 describes multiple Cross-Site Scripting (XSS) vulnerabilities in the BestWebSoft User Role plugin for WordPress, specifically versions prior to 1.5.6. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low complexity, requiring user interaction, and could lead to limited impact on confidentiality and integrity. While no active exploitation or KEV listing is reported, a Nuclei template exists for detection, and there is no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.5.6CPE matchmatch criteria
cpe:2.3:a:bestwebsoft:user_role:*:*:*:*:*: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
1.39%
Probability of exploitation in next 30 days
EPSS Percentile
69.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Nuclei: CVE-2017-18566 · Oct 5, 2023
This CVE's current EPSS score of 0.0139 is in the 82nd 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

wordpress.org / plugins/user-role
Release Notes