CVE-2021-4384Network attack vector

Gallery modification via missing nonce validation

Published Jul 1, 2023 · Updated Apr 8, 2026

CSRF in WordPress Photo Gallery – Image Gallery 1.0.6 and earlier allows remote attackers to edit galleries through forged requests. The load_images_thumbnail() and edit_gallery() functions process state-changing requests without correctly validating a nonce. Exploitation requires a site administrator with an active session to perform an attacker-induced action, such as opening a malicious link.

CVSS severity4.3
Medium
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CSRF in WordPress Photo Gallery – Image Gallery 1.0.6 and earlier allows remote attackers to edit galleries through forged requests. The load_images_thumbnail() and edit_gallery() functions process state-changing requests without correctly validating a nonce. Exploitation requires a site administrator with an active session to perform an attacker-induced action, such as opening a malicious link.

The record

CVE
CVE-2021-4384
Published
Jul 1, 2023
Updated
Apr 8, 2026
Vendor
uxgallery
Product
WordPress Photo Gallery – Image Gallery
Classifications
CWE-352, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 1, 2023CVE 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

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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=0 <=1.0.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

uxgallery · WordPress Photo Gallery – Image Galleryversion=0 <=1.0.6

Published CVSS scores

4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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.

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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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1204.001Malicious Link

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

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Your stack

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