High severity8.8NVD Advisory· Published Apr 11, 2022· Updated Jun 17, 2026
CVE-2021-40219
CVE-2021-40219
Description
Bolt CMS <= 4.2 is vulnerable to Remote Code Execution. Unsafe theme rendering allows an authenticated attacker to edit theme to inject server-side template injection that leads to remote code execution.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
bolt/corePackagist | <= 4.2 | — |
Affected products
2- Bolt CMS/Bolt CMSdescription
Patches
Vulnerability mechanics
References
5- github.com/bolt/core/blob/3b21a73ebf519b76756d3ad2841312d10ef11461/src/Controller/Frontend/TemplateController.phpnvdExploitThird Party AdvisoryWEB
- github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-40219nvdExploitThird Party AdvisoryWEB
- boltcms.comnvdVendor AdvisoryWEB
- github.com/advisories/GHSA-gprh-7767-cw39ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-40219ghsaADVISORY
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