CVE-2021-24773Public exploitNetwork attack vector

Stored XSS via unescaped Download settings

Published Nov 1, 2021 · Updated Aug 3, 2024

Stored XSS in W3 Eden, Inc. WordPress Download Manager before 3.2.16 allows remote authenticated users to execute script via Download settings. The plugin stores crafted Version, Link Label, attached filename, and inserted URL values and emits them into package pages or editor views without output escaping. A high-privilege account must save a malicious setting, and script execution occurs when a user views or edits the affected download.

CVSS severity4.8
Medium
EPSS probability2.86%
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 W3 Eden, Inc. WordPress Download Manager before 3.2.16 allows remote authenticated users to execute script via Download settings. The plugin stores crafted Version, Link Label, attached filename, and inserted URL values and emits them into package pages or editor views without output escaping. A high-privilege account must save a malicious setting, and script execution occurs when a user views or edits the affected download.

The record

CVE
CVE-2021-24773
Published
Nov 1, 2021
Updated
Aug 3, 2024
Vendor
W3 Eden, Inc.
Product
WordPress Download Manager
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Nov 1, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record 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=3.2.16 <3.2.16

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

W3 Eden, Inc. · WordPress Download Managerversion=3.2.16 <3.2.16

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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

Public exploit references

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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