WordPress security changelog
HIGH CVE-2015-9228 Deferred

Nextgen Gallery: A security weakness

Nextgen Gallery is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 8.8 CVSS · cve@mitre.org
NVD score 8.8 CVSS 3.0 · nvd@nist.gov
Component
Nextgen Gallery
Plugin slug
nextgen-gallery
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Sep 12, 2017
Weakness
CWE-434 — Unrestricted Upload of File with Dangerous Type

This CVE was published Sep 12, 2017 and is one of 31 known issues for this plugin.

What to do

Update, patch or deactivate.

Update Nextgen Gallery to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

In post-new.php in the Photocrati NextGEN Gallery plugin 2.1.10 for WordPress, unrestricted file upload is available via the name parameter, if a file extension is changed from .jpg to .php.

NVD vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Primary and upstream sources