Shaarli vulnerable to stored XSS via Suggested Tags
Priority MEDIUM 57CWE-79Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- Active
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00175 7th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Shaarli (shaarli): 0.16.0
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 |
|---|---|---|---|---|---|
| shaarli | Shaarli | before 0.16.0 | 0.16.0 | Patch available | CNA |
- Shaarli Vendorshaarli Affected before 0.16.0 Fixed in 0.16.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:shaarli_project:shaarli:*:*:*:*:*:*:*:* | before 0.16.0 | Vulnerable | Shaarli Project |
- cpe:2.3:a:shaarli_project:shaarli:*:*:*:*:*:*:*:* Versions before 0.16.0 Vulnerable ·Shaarli Project
Remediation
- Fix · CNA Shaarli (shaarli) Fixed in 0.16.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-24476
References
More shaarli vulnerabilities
- TI-2026-36949 Shaarli vulnerable to stored XSS via raw bookmark title in document <title> element on public permalink page CVSS 4.0HIGH 8.6
- TI-2025-34947 Shaarli allows reflected XSS via searchtags parameter CVSS 3.1HIGH 7.1
- TI-2026-36091 Shaarli has Stored Cross-Site Scripting (XSS) via Markdown Reference Links CVSS 3.1MEDIUM 5.8
- TI-2026-73442 Server-side request forgery in Shaarli thumbnail retrieval CVSS 4.0MEDIUM 5.1
- TI-2026-36092 Shaarli has Stored Cross-Site Scripting (XSS) via Tags Search CVSS 3.1MEDIUM 4.8
- TI-2026-36090 Shaarli: DOM-based Cross-Site Scripting (XSS) in Thumbnail Synchronizer CVSS 3.1MEDIUM 5.8
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences