Poesis Rhymix CMS Data Import importer.admin.controller.php procImporterAdminCheckXmlFile server-side request forgery
Summary
| CVE | CVE-2026-18856 |
|---|---|
| State | PUBLISHED |
| Assigner | VulDB |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-05 01:16:44 UTC |
| Updated | 2026-08-12 20:59:00 UTC |
| Description | A vulnerability was determined in Poesis Rhymix CMS up to 2.1.33. This impacts the function procImporterAdminCheckXmlFile of the file modules/importer/importer.admin.controller.php of the component Data Import Module. This manipulation of the argument filename causes server-side request forgery. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.1.34 will fix this issue. It is recommended to upgrade the affected component. |
Risk And Classification
Primary CVSS: v4.0 2 LOW from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
EPSS: 0.002270000 probability, percentile 0.135260000 (date 2026-08-14)
Problem Types: CWE-918 | CWE-918 Server-Side Request Forgery
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 2 | LOW | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C... |
| 4.0 | CNA | DECLARED | 5.1 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| 3.1 | [email protected] | Secondary | 4.7 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
| 3.1 | CNA | DECLARED | 4.7 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| 3.0 | CNA | DECLARED | 4.7 | MEDIUM | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| 2.0 | [email protected] | Secondary | 5.8 | AV:N/AC:L/Au:M/C:P/I:P/A:P | |
| 2.0 | CNA | DECLARED | 5.8 | AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:OF/RC:C |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
HighUser Interaction
NoneConfidentiality
LowIntegrity
LowAvailability
LowSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
LowAvailability
LowCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Poesis | Rhymix CMS | affected 2.1.0 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.1 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.2 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.3 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.4 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.5 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.6 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.7 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.8 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.9 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.10 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.11 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.12 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.13 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.14 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.15 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.16 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.17 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.18 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.19 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.20 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.21 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.22 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.23 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.24 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.25 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.26 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.27 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.28 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.29 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.30 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.31 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.32 | Not specified |
| CNA | Poesis | Rhymix CMS | affected 2.1.33 | Not specified |
| CNA | Poesis | Rhymix CMS | unaffected 2.1.34 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| rhymix.org/files/attach/releases/rhymix-2.1.34.zip | [email protected] | rhymix.org | |
| vuldb.com/cve/CVE-2026-18856 | [email protected] | vuldb.com | |
| rhymix.org/news/1948042 | [email protected] | rhymix.org | |
| vuldb.com/vuln/385868 | [email protected] | vuldb.com | |
| vuldb.com/submit/858471 | [email protected] | vuldb.com | |
| github.com/MCzhao2006/Rhymix-SSRF-Report | [email protected] | github.com | |
| vuldb.com/vuln/385868/cti | [email protected] | vuldb.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-08-04T00:00:00.000Z | Advisory disclosed |
| CNA | 2026-08-04T02:00:00.000Z | VulDB entry created |
| CNA | 2026-08-04T18:04:30.000Z | VulDB entry last update |
There are currently no legacy QID mappings associated with this CVE.