PatchTheCVEcmsimple-xh vulnerabilities
Recent CVEs affecting cmsimple-xh products. 4 tracked.
cmsimple-xh has 4 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2025-12-23. Highest priority: CVE-2021-47736 (score 46/100).
- CVE-2025-63589 HIGH 7.1 DOWNGRADE A reflected XSS vulnerability exists in CMSimple_XH 1.8's index.php router when attacker-controlled path segme
- CVE-2025-63588 HIGH 7.1 DOWNGRADE An unauthenticated reflected cross-site scripting vulnerability in the query handling of CMSimpleXH allows rem
- CVE-2024-34452 MEDIUM 6.1 DOWNGRADE CMSimple_XH 1.7.6 allows XSS by uploading a crafted SVG document.
- CVE-2021-47736 HIGH 7.2 DOWNGRADE CMSimple_XH 1.7.4 contains an authenticated remote code execution vulnerability in the content editing functio
FAQ
How do I fix cmsimple-xh vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is cmsimple-xh being exploited right now?
None of the tracked cmsimple-xh CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which cmsimple-xh CVE should I patch first?
CVE-2021-47736 currently ranks highest (46/100): CMSimple_XH 1.7.4 contains an authenticated remote code execution vulnerability in the content editing functio.