b3log Symphony (aka Sym) before 3.6.0 has XSS via the HTTP User-Agent header.
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
b3log Symphony (aka Sym) before 3.6.0 has XSS via the HTTP User-Agent header.
Why it matters now
EPSS 0.00818 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:b3log:symphony:*:*:*:*:*:*:*:* | before 3.6.0 | Vulnerable | siyuan-note |
- cpe:2.3:a:b3log:symphony:*:*:*:*:*:*:*:* Versions before 3.6.0 Vulnerable ·siyuan-note
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-17488
- 2026-10-03 Alias added: GHSA-9xjh-xm9r-h4hj
References
More siyuan-note Symphony vulnerabilities
- TI-2024-15203 An issue in symphony v.3.6.3 and before allows a remote attacker to execute arbitrary code via the log4j component. CVSS 3.1CRITICAL 9.8
- TI-2018-07378 b3log Symphony (aka Sym) 2.6.0 allows remote attackers to upload and execute arbitrary… CVSS 3.0CRITICAL 9.8
- TI-2019-06606 An issue was discovered in b3log Symphony (aka Sym) before v3.4.7. CVSS 3.0MEDIUM 6.1
- TI-2017-12373 b3log Symphony (aka Sym) 2.2.0 has XSS in processor/AdminProcessor.java in the admin… CVSS 3.1MEDIUM 5.4
- TI-2018-11634 In Symphony before 3.3.0, there is XSS in the Title under Post. CVSS 3.0MEDIUM 4.8
Sources
- CVE-2019-17488 · CVE Program
- CVE-2019-17488 · NVD
- FIRST EPSS
- GHSA-9xjh-xm9r-h4hj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences