Shaarli
CVE-2017-15215
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.1 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 1.04%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
Reflected XSS vulnerability in Shaarli v0.9.1 allows an unauthenticated attacker to inject JavaScript via the searchtags parameter to index.php. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Scripting (XSS) vulnerability could allow attackers to inject malicious scripts into web pages viewed by other users.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Reflected XSS vulnerability in Shaarli v0.9.1 allows an unauthenticated attacker to inject JavaScript via the searchtags parameter to index.php. If the victim is an administrator, an attacker can (for example) take over the admin session or change global settings or add/delete links. It is also possible to execute JavaScript against unauthenticated users. Affected products include: Shaarli Project Shaarli.
Know when Shaarli gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
Reflected XSS vulnerability in Shaarli v0.9.1 allows an unauthenticated attacker to inject JavaScript via the searchtags parameter to index.php. If the victim is an administrator, an attacker can (for example) take over the admin session or change global settings or add/delete links. It is also possible to execute JavaScript against unauthenticated users.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)CVE.org
Reflected Cross Site Scripting (XSS) vulnerability in Shaarli v0.12.2, allows remote attackers to execute arbitrary code
Stored XSS in Shaarli versions before 0.16.0 allows authenticated attackers to inject malicious HTML by crafting tags st
Stored XSS in Shaarli versions prior to 0.16.3 enables administrator account takeover through a low-effort social engine
Cross-site scripting (XSS) vulnerability in Shaarli before 0.8.5 and 0.9.x before 0.9.3 allows remote attackers to injec
DOM-based XSS in Shaarli's Thumbnail Synchronizer allows stored malicious bookmark titles to execute arbitrary JavaScrip
Stored XSS in Shaarli's Markdown rendering pipeline (versions 0.16.1 and prior) allows an authenticated user to inject m
Server-side request forgery (SSRF) in Shaarli up to 0.16.3 allows an attacker who can reach the admin-only MetadataContr
Stored XSS in Shaarli's tag filtering functionality permits an authenticated user to inject persistent JavaScript payloa
Exploit-DB