CVE-2025-8461
Reflected XSS in Seres Software's syWEB
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Seres Software syWEB allows Reflected XSS.
This issue affects syWEB: through 03022026.
NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Reflected XSS in Seres Software's syWEB
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Seres Software syWEB allows Reflected XSS.
This issue affects syWEB: through 03022026.
NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2025-8461- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-206659
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Seres Software syWEB allows Reflected XSS.
This issue affects syWEB: through 03022026.
NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- Record
EUVD-2025-206659- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q8pm-84cx-6m66
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')...
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Seres Software syWEB allows Reflected XSS.This issue affects syWEB: through 03022026.
NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- Record
GHSA-q8pm-84cx-6m66- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Seres Software syWEB allows Reflected XSS.
This issue affects syWEB: through 03022026.
NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2025-8461- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-8461 is a high vulnerability (CVSS 7.6) in Seres Software Syweb, published February 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.