CVE-2025-70073: An issue in ChestnutCMS v.1.5.8 and before allows a remote attacker to execute arbitrary code via the template

Q: How do I fix CVE-2025-70073?

chestnutcms: upgrade to newer than 1.5.8. Exact commands for each OS are on this page.

Q: Is CVE-2025-70073 being exploited?

CVE-2025-70073 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-70073 affect?

CVE-2025-70073 affects chestnutcms. Severity is high (CVSS 7.2). An issue in ChestnutCMS v.1.5.8 and before allows a remote attacker to execute arbitrary code via the template creation function

Q: How urgent is CVE-2025-70073?

Priority 44/100. High severity; Public exploit reference

This month

HIGH 7.2UPGRADE

CVE-2025-70073 is a high-severity flaw (CVSS 7.2) affecting chestnutcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in ChestnutCMS v.1.5.8 and before allows a remote attacker to execute arbitrary code via the template creation function

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.7% (top 45%)
CISA exploited list	No
Weakness	CWE-94
Published	2026-02-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: 1000mz

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-05 18:16 UTCPublished CVE record published
2026-06-17 10:03 UTCUpdated Record last modified

1000mz chestnutcms UPGRADE

Affected: <= 1.5.8

Fixed in: newer than 1.5.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy chestnutcms || rpm -q chestnutcms || chestnutcms --version

2. UPGRADE to newer than 1.5.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade chestnutcms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chestnutcms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-70073?

chestnutcms: upgrade to newer than 1.5.8. Exact commands for each OS are on this page.

Is CVE-2025-70073 being exploited?

CVE-2025-70073 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-70073 affect?

CVE-2025-70073 affects chestnutcms. Severity is high (CVSS 7.2). An issue in ChestnutCMS v.1.5.8 and before allows a remote attacker to execute arbitrary code via the template creation function

How urgent is CVE-2025-70073?

Priority 44/100. High severity; Public exploit reference

Related CVEs

CVE-2025-15009 MEDIUM 6.3 UPGRADE A flaw has been found in liweiyi ChestnutCMS up to 1.5.8
CVE-2025-12923 LOW 2.7 UPGRADE A vulnerability was determined in liweiyi ChestnutCMS up to 1.5.8
CVE-2025-2917 MEDIUM 4.3 UPGRADE A vulnerability, which was classified as problematic, was found in ChestnutCMS up to 1.5.3
CVE-2024-57452 HIGH 7.5 UPGRADE ChestnutCMS <=1.5.0 has an arbitrary file deletion vulnerability in contentcore.controller.FileController, whi
CVE-2024-57451 HIGH 7.5 UPGRADE ChestnutCMS <=1.5.0 has a directory traversal vulnerability in contentcore.controller.FileController#getFileLi

References

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