CVE-2023-22856: Stored cross-site scripting in BlogEngine.NET version 3.3.8.0

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-06 · updated 2026-06-17
Weakness: CWE-79

Description

A stored Cross-site Scripting (XSS) vulnerability in BlogEngine.NET 3.3.8.0, allows injection of arbitrary JavaScript in the security context of a blog visitor through an upload of a specially crafted file.

Affected products

BlogEngine.NET: 3.3.8.0

References

https://www.themissinglink.com.au/security-advisories/cve-2023-22856
https://www.themissinglink.com.au/security-advisories/cve-2023-22856

Get alerted when CVE-2023-22856 or the next vulnerability affects your stack