CVE-2022-44590Network attack vector

Contributor-level stored script execution

Published Nov 9, 2022 · Updated Apr 28, 2026

Stored XSS in James Lao Simple Video Embedder 2.2 and earlier allows remote authenticated users to inject scripts into WordPress posts. Public advisories attribute the flaw to insufficient input sanitization and output escaping, but neither the affected parameter nor the responsible function is disclosed. Contributor-level access is required, and the stored payload executes when another user views the injected page, enabling browser-context data access or content modification.

CVSS severity5.4
Medium
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in James Lao Simple Video Embedder 2.2 and earlier allows remote authenticated users to inject scripts into WordPress posts. Public advisories attribute the flaw to insufficient input sanitization and output escaping, but neither the affected parameter nor the responsible function is disclosed. Contributor-level access is required, and the stored payload executes when another user views the injected page, enabling browser-context data access or content modification.

The record

CVE
CVE-2022-44590
Published
Nov 9, 2022
Updated
Apr 28, 2026
Vendor
James Lao
Product
Simple Video Embedder
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 9, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=<= 2.2 <=2.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

James Lao · Simple Video Embedderversion=<= 2.2 <=2.2

Published CVSS scores

5.4PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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