CVE-2020-35943 json
A Cross-Site Request Forgery (CSRF) issue in the NextGEN Gallery plugin before 3.5.0 for WordPress allows File Upload.
published 5y ago modified 4mo ago also EUVD-2020-23526
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 54%
- public exploits
- 0
- none known
Summary
A 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.)
Patch / fix
- imagely nextgen_gallery 3.5.0
Is CVE-2020-35943 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- wordfence.com https://www.wordfence.com/blog/2021/02/severe-vulnerabilities-patched-in-nextgen-gallery-affect-over-800000-wordpress-sites/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
- Technology feeds
References
-
wordfence.com
/blog/2021/02/severe-vulnerabilities-patched-in-nextgen-gallery-affect-over-800000-wordpress-sites/
exploit, third-party-advisory
Sources
- CVE List CVE-2020-35943
- NVD CVE-2020-35943
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.