CVE-2026-16281Public exploitNetwork attack vector

Attachment deletion and tampering via unchecked ownership

Published Sep 4, 2026 · Updated Sep 4, 2026

Authorization bypass in RadiusTheme Classified Listing 5.3.0 through 6.1.0 allows remote authenticated users to alter listing media. The AI image-editing AJAX action accepts a caller-controlled listing identifier and deletes or attaches media without checking ownership or edit permission. Subscriber access is sufficient to permanently delete attachments from, or attach files to, another user's listing.

CVSS severityUnavailable
Unscored
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Authorization bypass in RadiusTheme Classified Listing 5.3.0 through 6.1.0 allows remote authenticated users to alter listing media. The AI image-editing AJAX action accepts a caller-controlled listing identifier and deletes or attaches media without checking ownership or edit permission. Subscriber access is sufficient to permanently delete attachments from, or attach files to, another user's listing.

The record

CVE
CVE-2026-16281
Published
Sep 4, 2026
Updated
Sep 4, 2026
Vendor
RadiusTheme
Product
Classified Listing
Classifications
CWE-639, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 4, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 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=5.3.0 <6.1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

RadiusTheme · Classified Listingversion=5.3.0 <6.1.1

Published CVSS scores

No CVSS assessment is available in this record.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
T1565.001Stored Data Manipulation

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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