High severity7.2OSV Advisory· Published Dec 23, 2025· Updated Jun 17, 2026
CVE-2021-47736
CVE-2021-47736
Description
CMSimple_XH 1.7.4 contains an authenticated remote code execution vulnerability in the content editing functionality that allows administrative users to upload malicious PHP files. Attackers with valid credentials can exploit the CSRF token mechanism to create a PHP shell file that enables arbitrary command execution on the server.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
31.7.0, 1.7.0rc1, 1.7.1, …+ 2 more
- (no CPE)range: 1.7.0, 1.7.0rc1, 1.7.1, …
- cpe:2.3:a:cmsimple-xh:cmsimple_xh:1.7.4:-:*:*:*:*:*:*
- (no CPE)range: =1.7.4
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/50367nvdExploitThird Party AdvisoryVDB Entry
- www.vulncheck.com/advisories/cmsimplexh-authenticated-remote-code-execution-via-content-editingnvdThird Party Advisory
- www.cmsimple-xh.orgnvdProduct
News mentions
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