CVE-2021-25033 json
Noptin < 1.6.5 - Open Redirect
published 2022-02-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11945
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The WordPress Newsletter Plugin WordPress plugin before 1.6.5 does not validate the to parameter before redirecting the user to its given value, leading to an open redirect issue
Patch / fix
Exploit prediction
2.30% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Noptin < 1.6.5 - Open Redirect nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/c2d2384c-41b9-4aaf-b918-c1cfda58af5c referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Affected products
- Unknown WordPress Newsletter Plugin – Noptin
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset/2639592
patch, third-party-advisory
-
wpscan.com
/vulnerability/c2d2384c-41b9-4aaf-b918-c1cfda58af5c
exploit, third-party-advisory
Sources
- CVE List CVE-2021-25033
- NVD CVE-2021-25033
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