CVE-2024-11881Network attack vector

Stored script execution via unescaped shortcode attributes

Published Dec 18, 2024 · Updated Apr 8, 2026

Stored XSS in Easy Waveform Player 1.2.0 and earlier allows remote authenticated users to inject scripts through easywaveformplayer attributes. The shortcode renderer places user-controlled player attributes into generated HTML, inline CSS, and inline JavaScript without context-appropriate sanitization or escaping. Contributor-level access is required to save a malicious shortcode, and the stored script executes when a visitor opens the affected page.

CVSS severity6.4
Medium
EPSS probability0.34%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored XSS in Easy Waveform Player 1.2.0 and earlier allows remote authenticated users to inject scripts through easywaveformplayer attributes. The shortcode renderer places user-controlled player attributes into generated HTML, inline CSS, and inline JavaScript without context-appropriate sanitization or escaping. Contributor-level access is required to save a malicious shortcode, and the stored script executes when a visitor opens the affected page.

The record

CVE
CVE-2024-11881
Published
Dec 18, 2024
Updated
Apr 8, 2026
Vendor
tymotey
Product
Easy Waveform Player
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 18, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=0 <=1.2.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

tymotey · Easy Waveform Playerversion=0 <=1.2.0

Published CVSS scores

6.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/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 11, 2026Sep 17, 2026
Latest reporting daySep 17, 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

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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo