漏洞信息
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Vulnerability Title
DOM-based XSS in Grist via unsanitized links, enabling privilege escalation
Vulnerability Description
Grist is spreadsheet software using Python as its formula language. Prior to 1.7.15, Grist contained two cross-site scripting vulnerabilities where an attacker-controlled value reached a link's href without scheme validation, so a javascript URL could run in a victim's Grist origin on a single click. On the account-selection page, /welcome/select-account used its next query parameter as the account buttons' link target. In document tours, the GristDocTour table's Link_URL column became a clickable button, allowing an editor of a shared document to store a javascript URL there that ran when another user opened the document and clicked the tour link. Because the script runs in the victim's authenticated session, it can call Grist APIs as the victim, reading or modifying data and changing sharing settings and access rules. A document editor could therefore escalate to owner-level access. This issue is fixed in version 1.7.15.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Vulnerability Title
gristlabs grist-core 跨站脚本漏洞
Vulnerability Description
gristlabs grist-core是gristlabs公司的一款现代关系电子表格软件。 gristlabs grist-core 1.7.15之前版本存在跨站脚本漏洞,该漏洞源于未对链接href进行scheme验证,导致跨站脚本攻击,攻击者控制的javascript URL可在受害者点击时运行,从而在受害者认证会话中调用Grist APIs,读取或修改数据、更改共享设置和访问规则,文档编辑者可因此提升到所有者级访问权限。
CVSS Information
N/A
Vulnerability Type
N/A