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TI-2023-02957 Aliases CVE-2023-3155GHSA-4mq9-mp5g-r83q

NextGEN Gallery < 3.39 - Admin+ Arbitrary File Read and Delete

Priority HIGH 67CWE-552Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-552.

Summary

The WordPress Gallery Plugin WordPress plugin before 3.39 is vulnerable to Arbitrary File Read and Delete due to a lack of input parameter validation in the `gallery_edit` function, allowing an attacker to access arbitrary resources on the server.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01021 63rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed WordPress Gallery Plugin (Unknown): 3.39

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownWordPress Gallery Pluginbefore 3.393.39Patch availableCNA
  • WordPress Gallery Plugin VendorUnknown Affected before 3.39 Fixed in 3.39 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:imagely:nextgen_gallery:*:*:*:*:*:wordpress:*:*before 3.39VulnerableImagely
  • cpe:2.3:a:imagely:nextgen_gallery:*:*:*:*:*:wordpress:*:* Versions before 3.39 Vulnerable ·Imagely

Remediation

  • Fix · CNA WordPress Gallery Plugin (Unknown) Fixed in 3.39

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    WordPress Gallery Plugin 3.39

    3 records Highest priority Priority HIGH 2 HIGH, 1 MEDIUM

    Other records, highest priority first

    • TI-2023-02956 NextGEN Gallery < 3.39 - Admin+ PHAR DeserializationPriority HIGH 72
    • TI-2023-03071 NextGEN Gallery < 3.39 - Admin+ Local File InclusionPriority MEDIUM 56

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3155
  2. 2026-10-03 Alias added: GHSA-4mq9-mp5g-r83q

References

  • TI-2023-02956 NextGEN Gallery < 3.39 - Admin+ PHAR Deserialization CVSS 3.1HIGH 7.5
  • TI-2019-10666 A SQL injection vulnerability exists in the Imagely NextGEN Gallery plugin before 3.2.11… CVSS 3.0CRITICAL 9.8
  • TI-2024-05058 NextGEN Gallery < 3.59.3 - Admin+ Stored XSS CVSS 3.1MEDIUM 5.9
  • TI-2013-03217 NextGEN Gallery plugin before 1.9.13 for WordPress: ngggallery.php file upload CVSS 3.1CRITICAL 9.8
  • TI-2024-02901 WordPress Gallery Plugin – NextGEN Gallery <= 3.59 - Missing Authorization to Unauthenticated Information Disclosure CVSS 3.1MEDIUM 5.3
  • TI-2023-03071 NextGEN Gallery < 3.39 - Admin+ Local File Inclusion CVSS 3.1MEDIUM 4.9
See all 26 →

Sources