PatchSiren cyber security CVE debrief
CVE-2025-8461 Seres Software CVE debrief
CVE-2025-8461 is a high-severity vulnerability in Seres Software syWEB, classified as Improper Neutralization of Input During Web Page Generation (XSS). This issue, with a CVSS score of 7.6, allows for Reflected XSS attacks. The vulnerability affects syWEB versions up to 03022026. The vendor, Seres Software, was contacted but did not respond. The CVE was published on 2026-02-03 and last modified on 2026-06-05.
- Vendor
- Seres Software
- Product
- syWEB
- CVSS
- HIGH 7.6
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-02-03
- Original CVE updated
- 2026-06-05
- Advisory published
- 2026-02-03
- Advisory updated
- 2026-06-05
Who should care
Developers and administrators using Seres Software syWEB, especially those who have not updated to a version beyond 03022026, should be aware of this vulnerability to prevent potential Reflected XSS attacks.
Technical summary
The vulnerability is caused by improper neutralization of input during web page generation, which allows attackers to inject malicious scripts. This can lead to Reflected XSS attacks, where an attacker can execute malicious scripts in the context of a user's browser.
Defensive priority
High
Recommended defensive actions
- Update syWEB to a version beyond 03022026 if available.
- Implement input validation and sanitization for user inputs.
- Use Content Security Policy (CSP) to define which sources of content are allowed to be executed within a web page.
- Monitor syWEB for any suspicious activities or anomalies.
Evidence notes
The CVE record and NVD detail provide official information about the vulnerability. Additional references from Turkish cybersecurity sources are also available.
Official resources
CVE-2025-8461 was published on 2026-02-03 and last modified on 2026-06-05.