TI-2026-09274 Aliases CVE-2026-10806 GHSA-fpp3-9qqr-4xxm

mjperpinosa stumasy add_post.php unrestricted upload

MEDIUM 57CWE-284Published 2026-06-04 · Updated 2026-06-04

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass, Code execution
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.

Summary

A vulnerability was found in mjperpinosa stumasy. The affected element is an unknown function of the file application/PHP/objects/updates/add_post.php. Performing a manipulation of the argument up_file_to_post results in unrestricted upload. The attack may be initiated remotely. The exploit has been made public and could be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00209 11th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

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
mjperpinosa	stumasy	25d695901fbb586bf184b8ba73456d8e5311656c; 79c86fce86a09adc6edcbd6d56115fbff14ed538; 327d1b0f2915ba79d7ef8ebb74553e987609d9be	—	No fix listed	CNA

stumasy Vendormjperpinosa Affected 25d695901fbb586bf184b8ba73456d8e5311656c; 79c86fce86a09adc6edcbd6d56115fbff14ed538; 327d1b0f2915ba79d7ef8ebb74553e987609d9be Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mjperpinosa:stumasy::::::::	—	—	mjperpinosa

cpe:2.3:a:mjperpinosa:stumasy:*:*:*:*:*:*:*:* Versions — — ·mjperpinosa

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-10806
2026-10-03 Alias added: GHSA-fpp3-9qqr-4xxm

References

Exploit 1

https://github.com/mjperpinosa/stumasy/issues/1

Other 1

https://github.com/mjperpinosa/stumasy/

TI-2026-12431 mjperpinosa stumasy Note Handler/Assignment notes authorization CVSS 4.0MEDIUM 6.9
TI-2026-12428 mjperpinosa stumasy accessing_dictionary_authorization.php accessing_dictionary_authorization sql injection CVSS 4.0MEDIUM 6.9
TI-2026-12427 mjperpinosa stumasy calculate.php eval code injection CVSS 4.0MEDIUM 6.9
TI-2026-12429 mjperpinosa stumasy search_scratch_data.php search_scratch_data sql injection CVSS 4.0MEDIUM 5.3
TI-2026-09275 mjperpinosa stumasy change_profile_image.php unrestricted upload CVSS 4.0MEDIUM 5.3
TI-2026-12430 mjperpinosa stumasy add_into_dictionary.php add_definition cross site scripting CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences