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CVE-2018-9864

21
FAUCET Score

CVE-2018-9864 describes a stored cross-site scripting (XSS) vulnerability in the WP Live Chat Support plugin prior to version 8.0.06, specifically affecting the "Name" field. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, organizations using the affected 3cx live_chat plugin should update to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.0.06CPE matchmatch criteria
cpe:2.3:a:3cx:live_chat:*:*:*:*:*: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
1.37%
Probability of exploitation in next 30 days
EPSS Percentile
69.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0137 is in the 81st 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/wp-live-chat-support
Third Party Advisory
gubello.me / blog/wp-live-chat-support-8-0-05-stored-xss
ExploitThird Party Advisory
youtube.com / watch
ExploitThird Party Advisory