CVE-2021-34625 json
WP Upload Restriction <= 2.2.3 - Authenticated Stored Cross-Site Scripting
published 2021-07-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-21275
- cvss
- 6.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
A vulnerability in the saveCustomType function of the WP Upload Restriction WordPress plugin allows low-level authenticated users to inject arbitrary web scripts. This issue affects versions 2.2.3 and prior.
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wordfence.com https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34625 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- WP Upload Restriction WP Upload Restriction
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wordfence.com
/vulnerability-advisories/#CVE-2021-34625
exploit, third-party-advisory
Sources
- CVE List CVE-2021-34625
- NVD CVE-2021-34625
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.