VulnerabilityModified
CVE-2021-46063
MCMS v5.2.5 was discovered to contain a Server Side Template Injection (SSTI) vulnerability via the Template Management module.
CRITICAL 9.1EPSS 2.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
MCMS v5.2.5 was discovered to contain a Server Side Template Injection (SSTI) vulnerability via the Template Management module.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 2.73% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- mingsoft/mcms
- Source
- cve@mitre.org
EPSS 2.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/ming-soft/MCMS/issues/59Exploit, Third Party Advisory
- https://github.com/ming-soft/MCMS/issues/59Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.