Nextgen Gallery: Cross-site scripting
Nextgen Gallery is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
- Component
- Nextgen Gallery
- Plugin slug
nextgen-gallery- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Feb 09, 2021
This CVE was published Feb 09, 2021 and is one of 31 known issues for this plugin.
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.
Technical description
A Cross-Site Request Forgery (CSRF) issue in the NextGEN Gallery plugin before 3.5.0 for WordPress allows File Upload and Local File Inclusion via settings modification, leading to Remote Code Execution and XSS. (It is possible to bypass CSRF protection by simply not including a nonce parameter.)
NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H