CVE-2026-24476
Unknown Unknown - Not Provided
Cross-Site Scripting in Shaarli Input Tag Allows HTML Injection

Publication date: 2026-01-26

Last updated on: 2026-02-17

Assigner: GitHub, Inc.

Description
Shaarli is a personal bookmarking service. Prior to version 0.16.0, crafting a malicious tag which starting with `"` prematurely ends the `<input>` tag on the start page and allows an attacker to add arbitrary html leading to a possible XSS attack. Version 0.16.0 fixes the issue.
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Meta Information
Published
2026-01-26
Last Modified
2026-02-17
Generated
2026-06-16
AI Q&A
2026-01-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-24476
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
shaarli_project shaarli to 0.16.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
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.
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Executive Summary

This vulnerability in Shaarli versions prior to 0.16.0 involves crafting a malicious tag starting with a double quote (") that prematurely ends an <input> tag on the start page. This allows an attacker to inject arbitrary HTML, potentially leading to a cross-site scripting (XSS) attack.

Impact Analysis

The vulnerability can allow an attacker to execute arbitrary HTML or scripts in the context of the Shaarli start page, which may lead to cross-site scripting (XSS) attacks. This can result in unauthorized actions, data theft, or session hijacking for users of the affected Shaarli instance.

Mitigation Strategies

Upgrade Shaarli to version 0.16.0 or later, as this version fixes the vulnerability by preventing malicious tags that start with a double quote from prematurely ending the <input> tag and allowing XSS attacks.

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0/70
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