CVE-2023-40663

FAUCET Score

CVE-2023-40663 is an unauthenticated reflected Cross-Site Scripting (XSS) vulnerability affecting Rextheme WP VR plugin versions up to and including 8.3.4. This medium-severity vulnerability (CVSS 6.1) allows an attacker to inject malicious scripts into a user's browser, potentially leading to information disclosure or session hijacking, requiring user interaction for exploitation. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 8.3.4CPE matchmatch criteria	cpe:2.3:a:rextheme:wp_vr::::::wordpress::*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

Exploitability Score

2.8

Impact Score

3.7

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.33%

Probability of exploitation in next 30 days

EPSS Percentile

25.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-26

Model: v2026.06.15

This CVE's current EPSS score of 0.0033 is in the 26th percentile among its peer group of 26,219 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

patchstack.com / database/vulnerability/wpvr/wordpress-wp-vr-plugin-8-3-4-reflected-cross-site-scripting-xss-vulnerability

Third Party Advisory