CVE-2017-9420
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.
Does this matter?
Lower severity and a low EPSS score (1.32%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.32% probability · 71th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- sunnythemes/spiffy calendar
- Source
- cve@mitre.org
EPSS 1.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://spiffycalendar.sunnythemes.com/version-3-3-0/Product, Vendor Advisory
- http://www.securityfocus.com/bid/98931Third Party Advisory, VDB Entry
- https://wpvulndb.com/vulnerabilities/8842
- http://spiffycalendar.sunnythemes.com/version-3-3-0/Product, Vendor Advisory
- http://www.securityfocus.com/bid/98931Third Party Advisory, VDB Entry
- https://wpvulndb.com/vulnerabilities/8842
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.