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8.4
CVE-2023-0299: GitHub Publify before 9.2.10: Malicious Data Injection Possible
CVE-2023-0299 · published 3 years ago
Summary
The GitHub Publify blog platform before version 9.2.10 does not properly validate user input. This means an attacker could potentially inject malicious data into the system. To protect your blog, update to version 9.2.10 or later.
What to do
- Update matijs van zuijlen publify_core to version 9.2.10.
- Update publify_project publify to version 9.2.10 or later.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| rubygems | matijs van zuijlen | publify_core |
< 9.2.10 Fix: upgrade to 9.2.10
|
| – | publify_project | publify |
< 9.2.10 cpe:2.3:a:publify_project:publify:*:*:*:*:*:*:*:* |
Original advisory text
Improper Input Validation in publify/publify
Improper Input Validation in GitHub repository publify/publify prior to 9.2.10.
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-0299 Vendor Advisory
- https://github.com/publify/publify_core/commit/34f6e9c98e0e3b3f9896f9676b3d64422...
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/publify_core/CVE-20...
- https://github.com/advisories/GHSA-q3rm-f527-ghxj
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0299.j... Vendor Advisory
- https://huntr.dev/bounties/0049774b-1857-46dc-a834-f1fb15138c53 URL
- https://github.com/publify/publify/commit/ca46da283572b4f8c0b5aa245008756c8a5fd1... Patch
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker full control
Severity
8.4
High
Type
CWE-20Improper Input Validation
Timeline
Published14 Jan 2023
Updated4 Nov 2026
First seen6 Mar 2026
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