CVE-2017-17451 json
The WP Mailster plugin before 1.5.5 for WordPress has XSS in the unsubscribe handler via the mes parameter to view/subscription/unsubscribe…
published 2017-12-07 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-8615
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.1%
- EPSS 5.1% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The WP Mailster plugin before 1.5.5 for WordPress has XSS in the unsubscribe handler via the mes parameter to view/subscription/unsubscribe2.php.
Patch / fix
- wpmailster wp_mailster 1.5.5
Exploit prediction
5.09% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template WordPress Mailster <=1.5.4 - Cross-Site Scripting nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wordpress.org
/plugins/wp-mailster/#developers
vendor-advisory
-
packetstormsecurity.com
/files/145222/WordPress-WP-Mailster-1.5.4.0-Cross-Site-Scripting.html
third-party-advisory, vdb-entry
-
wpvulndb.com
/vulnerabilities/8973
third-party-advisory
Sources
- CVE List CVE-2017-17451
- NVD CVE-2017-17451
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.