Microtango <= 0.9.29 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

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Summary

CVECVE-2026-1821
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-02-11 09:15:52 UTC
Updated2026-04-08 17:21:12 UTC
DescriptionThe Microtango plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'restkey' parameter of the mt_reservation shortcode in all versions up to, and including, 0.9.29 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Risk And Classification

Primary CVSS: v3.1 6.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Microtango Microtango affected 0.9.29 semver Not specified

References

ReferenceSourceLinkTags
www.wordfence.com/threat-intel/vulnerabilities/id/27657d29-e834-4f05-8fe9-7db0a... [email protected] www.wordfence.com
plugins.trac.wordpress.org/browser/microtango/tags/0.9.29/microtango-init.php [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/changeset/3455880 [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/microtango/trunk/microtango-init.php [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Muhammad Yudha - DJ (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-02-10T20:03:34.000ZDisclosed
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