CVE-2025-70073: ChestnutCMS · Code Injection
Affects ChestnutCMSSource CVE Database V5
Not known to be exploited · CVSS 7.2 High.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 5 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubliweiyi/ChestnutCMSpkg:github/liweiyi/ChestnutCMSOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Immediately audit user roles and permissions within ChestnutCMS to ensure that only trusted administrators have access to template creation functions.
- Implement strict network segmentation and firewall rules to limit access to the CMS administrative interfaces to authorized personnel only.
- Monitor logs and system behavior for unusual activities related to template creation or code execution attempts.
- Employ application-level security controls such as Web Application Firewalls (WAFs) configured to detect and block suspicious payloads targeting template functions.
- Develop and apply patches or updates from the vendor as soon as they become available; in the meantime, consider disabling or restricting the template creation feature if feasible.
- Conduct regular security training for administrators to recognize and prevent privilege escalation and credential compromise.
- Utilize intrusion detection systems (IDS) to alert on anomalous network traffic patterns associated with exploitation attempts.
- Maintain comprehensive backups of CMS data and configurations to enable rapid recovery in case of compromise.
Description
An issue in ChestnutCMS v.1.5.8 and before allows a remote attacker to execute arbitrary code via the template creation function