PatchTheCVE: canvashttps://patchthecve.com/CVEs with upgrade or downgrade fix stepsCVE-2020-8215: A buffer overflow is present in canvas version <= 1.6.9, which could lead to a Denial of Service or execution https://patchthecve.com/cve/CVE-2020-8215.htmlhttps://patchthecve.com/cve/CVE-2020-8215.htmlWed, 17 Jun 2026 03:26:04 +0000HIGH 8.8: A buffer overflow is present in canvas version <= 1.6.9, which could lead to a Denial of Service or execution of arbitrary code when it processes a user-provided image.CVE-2017-1000507: Canvs Canvas version 3.4.2 contains a Cross Site Scripting (XSS) vulnerability in User's details that can resuhttps://patchthecve.com/cve/CVE-2017-1000507.htmlhttps://patchthecve.com/cve/CVE-2017-1000507.htmlWed, 17 Jun 2026 00:59:17 +0000MEDIUM 5.4: Canvs Canvas version 3.4.2 contains a Cross Site Scripting (XSS) vulnerability in User's details that can result in denial of service and execution of javascript code.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 creatiohttps://patchthecve.com/cve/CVE-2017-8298.htmlhttps://patchthecve.com/cve/CVE-2017-8298.htmlWed, 17 Jun 2026 01:26:09 +0000MEDIUM 5.4: 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.