Vulnerability · Published Aug 27, 2026 · Assigned by TR-CERT
CVE-2026-11747Reflected XSS in Seres Software's syWEB
Medium 6.1
In plain English
A medium-severity cross-site scripting in syWEB from Seres Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.3%top 83.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Seres Software | syWEB | 0 – through 27082026 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
References
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0932 government-resource