Vulnerability-Lookup

CVE-2026-40331 (GCVE-0-2026-40331)

Vulnerability from cvelistv5 – Published: 2026-05-05 19:48 – Updated: 2026-05-06 12:51

Title

Masa CMS unauthenticated SQL injection via altTable parameter in JSON API

Summary

Masa CMS is an open source content management system. In versions 7.2.0 through 7.2.9, 7.3.0 through 7.3.14, 7.4.0 through 7.4.9, and 7.5.0 through 7.5.2, the unauthenticated JSON API accepts an altTable parameter that is stored via the setAltTable() method without validation or sanitization. This value is injected directly into a SQL FROM clause within feedGateway.cfc. An unauthenticated attacker can pass an arbitrary subquery into the altTable parameter to read sensitive data from any table in the database in a single HTTP request, including administrative credentials and password reset tokens. This issue has been fixed in versions 7.2.10, 7.3.15, 7.4.10, and 7.5.3. As a workaround, apply validation to the setAltTable function in core/mura/content/feed/feedBean.cfc to restrict input to simple alphanumeric table names, or disable the JSON API if it is not required.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Assigner

GitHub_M

References

1 reference

URL	Tags
https://github.com/MasaCMS/MasaCMS/security/advis…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
MasaCMS	MasaCMS	Affected: <= 7.2.9 Affected: >= 7.3.0, <= 7.3.14 Affected: >= 7.4.0, <= 7.4.9 Affected: >= 7.5.0, <= 7.5.2

Show details on NVD website

JSON

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FKIE_CVE-2026-40331

Vulnerability from fkie_nvd - Published: 2026-05-05 20:16 - Updated: 2026-06-17 10:45

Severity

9.3 (Critical) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/MasaCMS/MasaCMS/security/advisories/GHSA-jphh-r686-6w7j

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "product": "MasaCMS",
          "vendor": "MasaCMS",
          "versions": [
            {
              "status": "affected",
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            },
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    }
  ],
  "id": "CVE-2026-40331",
  "lastModified": "2026-06-17T10:45:07.870",
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          "baseSeverity": "CRITICAL",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-40331 (GCVE-0-2026-40331)

FKIE_CVE-2026-40331

Tags

Sightings

Nomenclature