CVE-2025-70073
RCE via ChestnutCMS template creation (CWE-94)
Is CVE-2025-70073 being exploited?
Not confirmed. CVE-2025-70073 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.67% probability of exploitation in the next 30 days.
How severe is CVE-2025-70073?
CVE-2025-70073 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2025-70073?
Yes. A fix has been recorded for CVE-2025-70073. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-70073 affect?
CVE-2025-70073 affects ChestnutCMS v1.5.8 and earlier. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-70073?
Upgrade to ChestnutCMS >= 1.5.9 or apply vendor patch
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution on server via crafted template during creation; attacker gains full control.
Immediate action required