Reported vulnerability
WordPress Gallery Plugin – NextGEN Gallery <= 3.4.7 - Cross-Site Request Forgery to Arbitrary File Upload
Published 17 Dec 2020
Updated 22 Jan 2024
CVE-2020-35943
Compare your installed software with the affected versions below. Follow the source’s remediation guidance and test an available update after taking a backup. A database entry describes a reported issue; it does not establish whether a particular website has been compromised.
Does this affect my version?
Check your installed version against this advisory. This compares the report’s version ranges and does not scan your website.
Wordfence advisory
high · CVSS 8.8A Cross-Site Request Forgery (CSRF) issue in the NextGEN Gallery plugin before 3.5.0 for WordPress allows File Upload. (It is possible to bypass CSRF protection by simply not including a nonce parameter.)
Severity vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery
- Software
- plugin · nextgen-gallery
- Affected versions
- Start version unspecified, through 3.4.7
- Fix availability
- Fix available
- Fixed versions
- 3.5.0
Recommended action
Update to version 3.5.0, or a newer patched version
Further references (1)
Data sources and licences
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CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
Read licence termsSource: Wordfence
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Get help checking your site, applying an available update and resolving any problems after updating.
Get help with this issueQuestions about this vulnerability
Which versions of Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery are affected?
Wordfence lists these affected versions: Start version unspecified, through 3.4.7. Use the version checker above to compare your installed release with this report.
Is a fix available for Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery?
Wordfence reports a fix for this issue in Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery. It lists these fixed versions: 3.5.0. Back up your website and test the recommended update before applying it to your live site.
Where can I find my installed plugin version?
In WordPress, open Plugins > Installed Plugins and find the version shown beneath the plugin name.
Does an affected version mean my website has been hacked?
An affected version means the installed release matches a vulnerability described in this report. It does not show whether anyone has exploited it on your website. The checker compares version numbers with stored reports; it does not inspect your website.
Other reports for the same product
These reports cover at least one of the same plugins, themes or WordPress core. Check each report’s affected versions separately.
- Photo Gallery, Sliders, Proofing and Themes – NextGEN Gallery <= 4.5.0 - Unauthenticated Arbitrary File ReadUpdated 30 Sept 2026
- NextGEN Gallery <= 4.4.0 - Authenticated (Admin+) Insecure Direct Object ReferenceUpdated 22 Sept 2026
- NextGEN Gallery <= 4.4.0 - Authenticated (Admin+) Insecure Direct Object ReferenceUpdated 22 Sept 2026
- NextGEN Gallery <= 4.4.0 - Authenticated (Admin+) Arbitrary File UploadUpdated 22 Sept 2026
- NextGEN Gallery <= 4.4.0 - Authenticated (Admin+) Insecure Direct Object ReferenceUpdated 22 Sept 2026