Reflected XSS in Seres Software's syWEB
Priority LOW 27CWE-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 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Seres Software syWEB allows Reflected XSS. This issue affects syWEB: through 27082026. NOTE: The vendor was contacted and it was learned that the product is not supported.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00253 16th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 |
|---|---|---|---|---|---|
| Seres Software | syWEB | up to 27082026 | — | No fix listed | CNA |
- syWEB VendorSeres Software Affected up to 27082026 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11747
- 2026-10-03 Alias added: GHSA-5qh6-895j-vpwx
References
More Seres Software vulnerabilities
- TI-2025-07744 Reflected XSS in Seres Software's syWEB CVSS 3.1HIGH 7.6
- TI-2026-10148 User Enumeration in Seres Software's syWEB CVSS 3.1MEDIUM 5.3
Sources
- CVE-2026-11747 · CVE Program
- CVE-2026-11747 · NVD
- FIRST EPSS
- GHSA-5qh6-895j-vpwx · 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