CVE-2017-9420 json
Cross site scripting (XSS) vulnerability in the Spiffy Calendar plugin before 3.3.0 for WordPress allows remote attackers to inject arbitra…
published 2017-06-05 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-18355
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
Cross site scripting (XSS) vulnerability in the Spiffy Calendar plugin before 3.3.0 for WordPress allows remote attackers to inject arbitrary JavaScript via the yr parameter.
Exploit prediction
1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
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
-
spiffycalendar.sunnythemes.com
/version-3-3-0/
product, vendor-advisory
- wpvulndb.com /vulnerabilities/8842
-
securityfocus.com
/bid/98931
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-9420
- NVD CVE-2017-9420
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.