CVE-2021-34623 json
ProfilePress 3.0 - 3.1.3 - Arbitrary File Upload in Image Uploader Component
published 2021-07-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-21273
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
A vulnerability in the image uploader component found in the ~/src/Classes/ImageUploader.php file of the ProfilePress WordPress plugin made it possible for users to upload arbitrary files during user registration or during profile updates. This issue affects versions 3.0.0 - 3.1.3. .
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
2.10% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wordfence.com https://www.wordfence.com/blog/2021/06/easily-exploitable-critical-vulnerabilities-patched-in-profilepress-plugin/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- ProfilePress ProfilePress
- properfraction profilepress
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
- Technology feeds
References
-
wordfence.com
/blog/2021/06/easily-exploitable-critical-vulnerabilities-patched-in-profilepress-plugin/
exploit, third-party-advisory
Sources
- CVE List CVE-2021-34623
- NVD CVE-2021-34623
Fencer Vulns 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.