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CVE-2022-23543— HTML attributes when attaching a YouTube link to the post

Quick assessment

Affected
mesosoi silverwaregames-io-issue-tracker
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Silverware Games SilverwareGames.io是Silverware Games公司的一个在线游戏网站。 Silverware Games SilverwareGames.io存在跨站脚本漏洞，该漏洞源于允许将自定义HTML属性添加到iframe标签中。

CVSS 6.3 · Medium EPSS 0.34% · P26
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I. Basic Information for CVE-2022-23543

Vulnerability Information
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Vulnerability Title
HTML attributes when attaching a YouTube link to the post
Source: CVE Program / CVE List V5
Vulnerability Description
Silverware Games is a social network where people can play games online. Users can attach URLs to YouTube videos, the site will generate related `<iframe>` when the post will be published. The handler has some sort of protection so non-YouTube links can't be posted, as well as HTML tags are being stripped. However, it was still possible to add custom HTML attributes (e.g. `onclick=alert("xss")`) to the `<iframe>'. This issue was fixed in the version `1.1.34` and does not require any extra actions from our members. There has been no evidence that this vulnerability was used by anyone at this time.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Silverware Games SilverwareGames.io 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silverware Games SilverwareGames.io是Silverware Games公司的一个在线游戏网站。 Silverware Games SilverwareGames.io存在跨站脚本漏洞，该漏洞源于允许将自定义HTML属性添加到iframe标签中。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mesosoi silverwaregames-io-issue-tracker < 1.1.34 -

II. Public POCs for CVE-2022-23543

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III. Intelligence Information for CVE-2022-23543

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Vendor Advisories for CVE-2022-23543 (1)

IV. Related Vulnerabilities

Same product: silverwaregames-io-issue-tracker
Same vendor: mesosoi
Same weakness: CWE-80

V. Comments for CVE-2022-23543

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