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CVE-2017-18502

29
FAUCET Score

CVE-2017-18502 describes multiple Cross-Site Scripting (XSS) vulnerabilities in the BestWebSoft Subscriber plugin for WordPress, affecting versions prior to 1.3.5. With a CVSS score of 6.1 (Medium), exploitation requires user interaction via a network-based attack, potentially leading to limited data compromise and integrity issues. While no active exploitation or Metasploit modules are reported, Nuclei templates exist for detection, and there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.5CPE matchmatch criteria
cpe:2.3:a:bestwebsoft:subscriber:*:*:*:*:*: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
1.65%
Probability of exploitation in next 30 days
EPSS Percentile
74.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Nuclei: CVE-2017-18502 · Oct 5, 2023
This CVE's current EPSS score of 0.0165 is in the 86th 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

Remediation records are not available for this CVE.

References

wordpress.org / plugins/subscriber
Release NotesVendor Advisory