Invisioncommunity
CVE-2021-3026
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
Invision Community IPS Community Suite before 4.5.4.2 allows XSS during the quoting of a post or comment.
AnalysisAI
Invision Community IPS Community Suite before 4.5.4.2 allows XSS during the quoting of a post or comment. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Invision Community IPS Community Suite before 4.5.4.2 allows XSS during the quoting of a post or comment. Affected products include: Invisioncommunity Ips Community Suite. Version information: before 4.5.4.2.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
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External POC / Exploit Code
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