CVE-2023-28854: nophp is a PHP web framework

Q: How do I fix CVE-2023-28854?

nophp: upgrade to 0.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-28854 being exploited?

CVE-2023-28854 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-2023-28854 affect?

CVE-2023-28854 affects nophp. Severity is high (CVSS 8.0). nophp is a PHP web framework. Prior to version 0.0.1, nophp is vulnerable to shell command injection on httpd user. A patch was made available at commit e5409aa2d441789cbb35f6b119bef97ecc3986aa on 2023-03-30. Users should update index.php t

This month

HIGH 8.0UPGRADE

CVE-2023-28854 is a high-severity flaw (CVSS 8.0) affecting nophp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

nophp is a PHP web framework. Prior to version 0.0.1, nophp is vulnerable to shell command injection on httpd user. A patch was made available at commit e5409aa2d441789cbb35f6b119bef97ecc3986aa on 2023-03-30. Users should update index.php to 2023-03-30 or later or, as a workaround, add a function such as `env_patchsample230330.php` to env.php.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.0 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Weakness	CWE-77
Published	2023-04-03
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: nophp project

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

Am I affected?

Timeline

2023-04-03 18:15 UTCPublished CVE record published
2026-06-17 05:48 UTCUpdated Record last modified

nophp project nophp UPGRADE

Affected: < 0.0.1

Fixed in: 0.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 0.0.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nophp

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-2023-28854?

nophp: upgrade to 0.0.1. Exact commands for each OS are on this page.

Is CVE-2023-28854 being exploited?

CVE-2023-28854 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-2023-28854 affect?

CVE-2023-28854 affects nophp. Severity is high (CVSS 8.0). nophp is a PHP web framework. Prior to version 0.0.1, nophp is vulnerable to shell command injection on httpd user. A patch was made available at commit e5409aa2d441789cbb35f6b119bef97ecc3986aa on 2023-03-30. Users should update index.php t

How urgent is CVE-2023-28854?

Priority 47/100. High severity

Software pages

Apache HTTP Server vulnerabilities · PHP vulnerabilities

References

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