CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
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Description
baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has a cross-site scripting vulnerability in blog posts. This issue has been patched in version 5.2.3.
Analysis
Cross-site scripting (XSS) vulnerability in baserCMS prior to version 5.2.3 allows attackers to inject malicious scripts into blog posts, potentially enabling session hijacking, credential theft, or malware distribution to site visitors. The vulnerability affects the blog post functionality and has been patched in version 5.2.3; no public exploit code or active exploitation has been confirmed at time of analysis.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-17263
GHSA-jmq3-x8q7-j9qm