VulnerabilityModified
CVE-2017-8298
cnvs.io Canvas 3.3.0 has XSS in the title and content fields of a "Posts > Add New" action, and during creation of new tags and users.
MEDIUM 5.4EPSS 0.61%
Does this matter?
Lower severity and a low EPSS score (0.61%). Track it; it rarely justifies an emergency change on its own.
Description
cnvs.io Canvas 3.3.0 has XSS in the title and content fields of a "Posts > Add New" action, and during creation of new tags and users.
- CVSS 3.0
- 5.4 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.61% probability · 49th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- cnvs/canvas
- Source
- cve@mitre.org
EPSS 0.6% 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
- https://github.com/cnvs/canvas/issues/331Issue Tracking, Patch
- https://github.com/cnvs/canvas/issues/331Issue Tracking, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.