CVE-2026-28507
published 2026-03-06CVE-2026-28507: Idno is a social publishing platform. Prior to version 1.6.4, there is a remote code execution vulnerability via chained import file write and template path…
PriorityP348high7.2CVSS 3.1
AVNACLPRHUINSUCHIHAH
EPSS
0.67%
47.5th percentile
Idno is a social publishing platform. Prior to version 1.6.4, there is a remote code execution vulnerability via chained import file write and template path traversal. This issue has been patched in version 1.6.4.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| idno | idno | < 1.6.4 | 1.6.4 |
| idno | known | >= 0 < 1.6.4 | 1.6.4 |
| withknown | known | < 1.6.4 | 1.6.4 |
CVSS provenance
nvdv3.17.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvdv4.08.6HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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GHSA
Idno Vulnerable to Remote Code Execution via Chained Import File Write and Template Path Traversal
ghsa·2026-03-02
CVE-2026-28507 [HIGH] CWE-78 Idno Vulnerable to Remote Code Execution via Chained Import File Write and Template Path Traversal
Idno Vulnerable to Remote Code Execution via Chained Import File Write and Template Path Traversal
**Affected Versions:** Tested on current `dev` branch (build fingerprint `505[...]7bd86`)
**CVSS v4 Score:** 8.6 ([CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N](https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N))
**Privileges Required:** Web application admin account (for file write), any authenticated user (for RCE trigger)
---
## Summary
Two separate vulnerabilities in Idno can be chained to achieve RCE from a web application admin account. A web application admin can cause the server to fetch an attacker-controlled URL during WordPress import processing, writing a PHP file to the server's temp directory. The adm
OSV
Idno Vulnerable to Remote Code Execution via Chained Import File Write and Template Path Traversal
osv·2026-03-02
CVE-2026-28507 [HIGH] Idno Vulnerable to Remote Code Execution via Chained Import File Write and Template Path Traversal
Idno Vulnerable to Remote Code Execution via Chained Import File Write and Template Path Traversal
**Affected Versions:** Tested on current `dev` branch (build fingerprint `505[...]7bd86`)
**CVSS v4 Score:** 8.6 ([CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N](https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N))
**Privileges Required:** Web application admin account (for file write), any authenticated user (for RCE trigger)
---
## Summary
Two separate vulnerabilities in Idno can be chained to achieve RCE from a web application admin account. A web application admin can cause the server to fetch an attacker-controlled URL during WordPress import processing, writing a PHP file to the server's temp directory. The adm
No detection rules found.
No public exploits indexed.
2026-03-06
Published