Search/CVE-2021-40219
● CVE — High

CVE-2021-40219

VendorboltProductbolt cmsDiscoveredApr 11, 2022UpdatedJul 9, 2026

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
8.8 HIGH
EPSS
3.43%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 1, 2026
▲ 0.24pp
3.19% → 3.43% over 3 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Connections
2 relationships
Timeline
disclosure → media coverage
Apr 11, 2022
Disclosure — published as a CVE record. · last revised by NVD Jul 9, 2026