CVE-2023-40000 is a Stored Cross-site Scripting (XSS) vulnerability affecting LiteSpeed Technologies LiteSpeed Cache versions up to 5.7. This flaw allows attackers to inject malicious scripts into web pages due to improper input neutralization. With a CVSS score of 6.1 (Medium), it can be exploited remotely with low attack complexity, potentially leading to information disclosure and integrity compromise if a user interacts with the malicious content. The vulnerability is being actively exploited in the wild, with reports indicating attackers are using it to gain administrative access to WordPress sites. Community discussion and media coverage are exceptionally high, and Nuclei templates for exploitation are publicly available.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.7.0.1CPE matchmatch criteria | cpe:2.3:a:litespeedtech:litespeed_cache:*:*:*:*:*:wordpress:*:* | ||
<= 5.7CPE match | cpe:2.3:a:litespeedtech:litespeed_cache:*:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
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.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.