CVE-2022-1009Public exploitNetwork attack vector

Administrator-session script execution via unescaped preset fields

Published May 30, 2022 · Updated Aug 2, 2024

Reflected XSS in WPMU DEV Smush before 3.9.9 allows remote attackers to run script in an administrator's browser via a preset upload. The configuration importer returns unsanitized preset names, descriptions, and status strings in the Smush Settings admin page. Exploitation requires a WordPress administrator to upload the attacker's modified configuration file; successful script execution can act with that administrator's browser session.

CVSS severity6.1
Medium
EPSS probability0.79%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in WPMU DEV Smush before 3.9.9 allows remote attackers to run script in an administrator's browser via a preset upload. The configuration importer returns unsanitized preset names, descriptions, and status strings in the Smush Settings admin page. Exploitation requires a WordPress administrator to upload the attacker's modified configuration file; successful script execution can act with that administrator's browser session.

The record

CVE
CVE-2022-1009
Published
May 30, 2022
Updated
Aug 2, 2024
Vendor
WPMU DEV
Product
Smush
Classifications
CWE-79, T1204.002
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 30, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=3.9.9 <3.9.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WPMU DEV · Smushversion=3.9.9 <3.9.9

Published CVSS scores

6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3NIST NVDAV:N/AC:M/Au:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.002User Execution: Malicious File

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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