CVE-2025-9208: Stored-XSS vulnerability discovered in OpenText WSM Management Server.

Severity: medium (CVSS 5.4 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: yes
Published: 2026-02-19 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in OpenText™ Web Site Management Server allows Stored XSS. The vulnerability could execute malicious scripts on the client side when the download query parameter is removed from the file URL, allowing attackers to compromise user sessions and data. This issue affects Web Site Management Server: 16.7.X, 16.8, 16.8.1.

Affected products

OpenText™ Web Site Management Server: through 16.8.1

References

https://support.opentext.com/csm/en?id=ot_kb_unauthenticated&sysparm_article=KB0854844
https://github.com/MarioTesoro/vulnerability-research/blob/main/CVE-2025-9208/README.md

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