Vulnerability Intelligence Report
WordPress LiteSpeed Cache plugin <= 5.7 - Unauthenticated Site Wide Stored XSS vulnerability
CVE-2023-40000
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LiteSpeed Technologies LiteSpeed Cache allows Stored XSS.This issue affects LiteSpeed Cache: from n/a through 5.7.
Nuclei Template
CVSS Base Score
8.3
HIGH
Exploitability:3.9
Impact Score:3.8
EPSS Probability:54.87%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Weaknesses (CWE)
CWE-79 ↗CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| LiteSpeed Technologies | LiteSpeed Cache | n/a <= 5.7 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Patchstack · Bug Bounty Provider · Estonia |
| Reserved | 2023-08-08T11:43:05 |
| Published | 2024-04-16T17:46:37 |
| Last Updated | 2026-04-28T16:08:35 |
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