CVE-2022-47604Network attack vector

Subscriber-level thumbnail rebuilding via unchecked AJAX capability

Published Mar 21, 2024 · Updated Apr 28, 2026

Missing authorization in junkcoder AJAX Thumbnail Rebuild 1.13 and earlier allows remote authenticated users to rebuild image thumbnails. The ajax_thumbnail_rebuild_ajax handler executes the requested rebuild without checking whether the caller has the required capability. Subscriber-level access is sufficient, and the reported consequence is limited to unauthorized regeneration of derived thumbnail files.

CVSS severity4.3
Medium
EPSS probability0.53%
Next 30 days · Sep 16, 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

Missing authorization in junkcoder AJAX Thumbnail Rebuild 1.13 and earlier allows remote authenticated users to rebuild image thumbnails. The ajax_thumbnail_rebuild_ajax handler executes the requested rebuild without checking whether the caller has the required capability. Subscriber-level access is sufficient, and the reported consequence is limited to unauthorized regeneration of derived thumbnail files.

The record

CVE
CVE-2022-47604
Published
Mar 21, 2024
Updated
Apr 28, 2026
Vendor
junkcoder
Product
AJAX Thumbnail Rebuild
Classifications
CWE-862, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 21, 2024CVE 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

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=n/a <=1.13 changes=[{"at":"1.14","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

junkcoder · AJAX Thumbnail Rebuildversion=n/a <=1.13 changes=[{"at":"1.14","status":"unaffected"}]

Published CVSS scores

4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.3PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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-862Missing Authorization
T1565.001Stored Data Manipulation

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