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CVE

CVE-2022-23543

Silverware Games is a social network where people can play games online. Users can attach URLs to YouTube videos, the si

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.

MEDIUM · CVSS 6.3 EPSS 0.00201
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
▤

Affected Products & Versions

1
silverwaregames< 1.1.34
▣

Scoring & Timeline

6.3
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Dec 2022 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/mesosoi/silverwaregames-io-issue-tracker/security/advisories/GHSA-62r9-4v3r-rw89Third Party Advisory
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