CVE-2021-3163

A vulnerability in the HTML editor of Slab Quill 4.8.0 allows an attacker to execute arbitrary JavaScript by storing an XSS payload a crafted onloadstart attribute of an IMG element in a text field. Note: Researchers have claimed that this issue is not within the product itself, but is intended...

CVE-2021-3163

Slab Quill 4.8.0 contains a stored XSS in its HTML editor. An attacker can inject JavaScript by storing an XSS payload using a crafted onloadstart attribute on an IMG element, leading to arbitrary script execution. Multiple sources (NVD entry, CNVD, OSV/GHSA advisories) describe the issue; adviso...