Remote code execution via file uploads in guest-entries
Priority MEDIUM 42CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-434.
Summary
Guest Entries is a php library which allows users to create, update & delete entries from the front-end of a site. In affected versions the file uploads feature did not prevent the upload of PHP files. This may lead to code execution on the server by authenticated users. This vulnerability is fixed in v3.1.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01022 63rd percentileScored 2026-11-07
Fix Fixed guest-entries (duncanmcclean): 3.1.2duncanmcclean/guest-entries (Packagist): 3.1.2+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| duncanmcclean | guest-entries | before 3.1.2 | 3.1.2 | Patch available | CNA |
| — | duncanmcclean/guest-entries (Packagist) | before 3.1.2 | 3.1.2 | Patch available | GHSA-rw82-mhmx-grmj |
| — | doublethreedigital/guest-entries (Packagist) | before 3.1.2 | 3.1.2 | Patch available | GHSA-rw82-mhmx-grmj |
- guest-entries Vendorduncanmcclean Affected before 3.1.2 Fixed in 3.1.2 Patch available CNA
- duncanmcclean/guest-entries (Packagist) Vendor— Affected before 3.1.2 Fixed in 3.1.2 Patch available GHSA-rw82-mhmx-grmj
- doublethreedigital/guest-entries (Packagist) Vendor— Affected before 3.1.2 Fixed in 3.1.2 Patch available GHSA-rw82-mhmx-grmj
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:duncanmcclean:guest_entries:*:*:*:*:*:*:*:* | before 3.1.3 | Vulnerable | duncanmcclean |
- cpe:2.3:a:duncanmcclean:guest_entries:*:*:*:*:*:*:*:* Versions before 3.1.3 Vulnerable ·duncanmcclean
Remediation
- Fix · CNA guest-entries (duncanmcclean) Fixed in 3.1.2
- Fix · GHSA-rw82-mhmx-grmj duncanmcclean/guest-entries (Packagist) Fixed in 3.1.2 Advisory →
- Fix · GHSA-rw82-mhmx-grmj doublethreedigital/guest-entries (Packagist) Fixed in 3.1.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-47621
- 2026-10-03 Alias added: GHSA-rw82-mhmx-grmj
References
Sources
- CVE-2023-47621 · CVE Program
- CVE-2023-47621 · NVD
- FIRST EPSS
- GHSA-rw82-mhmx-grmj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences