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

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 workaroun

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
paijp	nophp	< 0.0.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-04-03T17:55:56.789Z
• Last modified: 2025-02-11T14:35:47.164Z

09References

• github.com — https://github.com/paijp/nophp/security/advisories/GHSA-9858-q3c2-9wwm
• github.com — https://github.com/paijp/nophp/commit/e5409aa2d441789cbb35f6b119bef97ecc3986aa
• github.com — https://github.com/paijp/nophp/releases/tag/v0.0.1