brufdev Many Notes up to 0.15.x ZIP Vault Import ProcessImportedVault.php cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.41+

Summaryinfo

A vulnerability, which was classified as problematic, was found in brufdev Many Notes up to 0.15.x. The affected element is an unknown function of the file app/Actions/ProcessImportedVault.php of the component ZIP Vault Import. The manipulation results in cross site scripting. This vulnerability is reported as CVE-2026-54053. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in brufdev Many Notes up to 0.15.x. Affected is some unknown functionality of the file app/Actions/ProcessImportedVault.php of the component ZIP Vault Import. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

Many Notes is a Markdown note-taking web application designed for simplicity. Prior to 0.16.0, the ZIP vault import implemented in app/Actions/ProcessImportedVault.php accepts archive filenames containing parent-directory traversal segments. An authenticated user can write arbitrary files outside the importing user's vault and into other users' vaults, including overwriting existing files. Disguised SVG content can be placed in another user's vault and execute stored cross-site scripting when the victim opens that vault. This issue is fixed in version 0.16.0.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-54053 since 06/11/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

By approaching the search of inurl:app/Actions/ProcessImportedVault.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 0.16.0 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.6
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Many Notes 0.16.0

Timelineinfo

06/11/2026 CVE reserved
09/17/2026 +98 days Advisory disclosed
09/17/2026 +0 days VulDB entry created
09/17/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-54053 (🔒)
GCVE (CVE): GCVE-0-2026-54053
GCVE (VulDB): GCVE-100-406632

Entryinfo

Created: 09/17/2026 19:34
Changes: 09/17/2026 19:34 (65)
Complete: 🔍
Cache ID: 216::103

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