CVE-2021-40219

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.

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

3.43% chance of exploitation in the next 30 days, 89th percentile

Published

2022-04-11

Updated

2026-07-09

Proof-of-concept exploits (1)

• iiSiLvEr/CVEs/tree/main/CVE-2021-402191★ · 2022-04-12

Security advisories

• bolt/core/blob/3b21a73ebf519b76756d3ad2841312d10ef11461/src/Controller/Frontend/TemplateC…
• advisories/GHSA-gprh-7767-cw39

References

• CVE Record
• NVD entry

Related

• CVE-2021-43741
• CVE-2021-43742