CVE-2023-0299: Improper Input Validation in GitHub repository publify/publify prior to 9.2.10.

Q: How do I fix CVE-2023-0299?

publify: upgrade to 9.2.10. Exact commands for each OS are on this page.

Q: Is CVE-2023-0299 being exploited?

CVE-2023-0299 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-2023-0299 affect?

CVE-2023-0299 affects publify. Severity is critical (CVSS 9.8). Improper Input Validation in GitHub repository publify/publify prior to 9.2.10.

Q: How urgent is CVE-2023-0299?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-0299 is a critical-severity flaw (CVSS 9.8) affecting publify. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Input Validation in GitHub repository publify/publify prior to 9.2.10.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-20
Published	2023-01-14
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: publify project

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

Am I affected?

Timeline

2023-01-14 15:15 UTCPublished CVE record published
2026-06-17 05:25 UTCUpdated Record last modified

publify project publify UPGRADE

Affected: < 9.2.10

Fixed in: 9.2.10

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 9.2.10 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade publify

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-2023-0299?

publify: upgrade to 9.2.10. Exact commands for each OS are on this page.

Is CVE-2023-0299 being exploited?

CVE-2023-0299 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-2023-0299 affect?

CVE-2023-0299 affects publify. Severity is critical (CVSS 9.8). Improper Input Validation in GitHub repository publify/publify prior to 9.2.10.

How urgent is CVE-2023-0299?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

GitHub vulnerabilities

Related CVEs

CVE-2024-39311 MEDIUM 5.4 UPGRADE UPGRADE Publify is a self hosted Web publishing platform on Rails
CVE-2023-0569 MEDIUM 6.5 UPGRADE Weak Password Requirements in GitHub repository publify/publify prior to 9.2.10.
CVE-2022-2815 MEDIUM 6.5 UPGRADE Insecure Storage of Sensitive Information in GitHub repository publify/publify prior to 9.2.10.
CVE-2022-1812 CRITICAL 9.8 UPGRADE Integer Overflow or Wraparound in GitHub repository publify/publify prior to 9.2.10.

References

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