CVE-2025-8461: Reflected XSS in Seres Software's syWEB

Severity: high (CVSS 7.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-03 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

Seres Software syWEB: through 03022026

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0013
https://www.usom.gov.tr/bildirim/tr-26-0013

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