PatchTheCVEcmsimple xh vulnerabilities and fixes
Recent CVEs affecting cmsimple xh, with upgrade or downgrade steps. 4 tracked.
Also searched as: cmsimplexh.
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.