Evidence used
- No CISA KEV confirmation is currently recorded.
- EPSS is 1.51% for the current model date.
BlackTreeCVE IntelligenceSchneider Electric · Wonderware Information Server Portal
High technical severity; prioritise exposed affected systems while verifying vendor guidance.
High technical severity; prioritise exposed affected systems while verifying vendor guidance.
Patch availableCross-site scripting (XSS) vulnerability in Schneider Electric Wonderware Information Server (WIS) Portal 4.0 SP1 through 5.5 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Cross-site scripting (XSS) vulnerability in Schneider Electric Wonderware Information Server (WIS) Portal 4.0 SP1 through 5.5 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Attacker-controlled content can reach a browser as executable script without sufficient output encoding or sanitisation.
An attacker operating through the affected interface may attempt exploitation when the stated preconditions are met. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.
Cross-site scripting (XSS) vulnerability in Schneider Electric Wonderware Information Server (WIS) Portal 4.0 SP1 through 5.5 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Attacker-controlled content can reach a browser as executable script without sufficient output encoding or sanitisation.
An attacker operating through the affected interface may attempt exploitation when the stated preconditions are met. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.
CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.
No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.
No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
AV:N/AC:L/Au:N/C:P/I:P/A:POperational remediation based on structured source evidence.
Published 28 Aug 2014 · Last source change 31 Oct 2025, 23:14 UTC · CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Core structured fields are present and their contributing authorities are shown above.