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CVE-2017-18539

20
FAUCET Score

CVE-2017-18539 describes a Cross-Site Scripting (XSS) vulnerability in the weblibrarian plugin for WordPress, specifically affecting versions prior to 3.4.8.6, where malicious scripts can be injected via front-end shortcodes. Rated Medium with a CVSS score of 6.1, this vulnerability requires user interaction (UI:R) for exploitation and could lead to low impact on confidentiality and integrity (C:L/I:L). There is currently no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.4.8.6CPE matchmatch criteria
cpe:2.3:a:deepsoft:weblibrarian:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 66th 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/weblibrarian
Release Notes
wpvulndb.com / vulnerabilities/9724
Third Party Advisory