Home/CVE/SiteServer CMS V6.15.51 is affected by a Cross Site Scripting (XSS) vulnerability.
CVE

CVE-2021-42656

SiteServer CMS V6.15.51 is affected by a Cross Site Scripting (XSS) vulnerability.

SiteServer CMS V6.15.51 is affected by a Cross Site Scripting (XSS) vulnerability.

MEDIUM · CVSS 5.4 EPSS 0.00263
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
sscms siteserver cmsall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet SSCMS MODERATE
⚠

Public Exploits & PoCs

1
pocgithub.com · 3238github.com
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · cve@mitre.org
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 NVD24 May 2022 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/siteserver/cmsThird Party Advisory
https://github.com/siteserver/cms/releases/download/siteserver-v6.15.51/siteserver_install.zipPatchThird Party Advisory
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