CVE-2025-11956: XSS in Proliz's OBS

Severity: high (CVSS 8.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-11-06 · updated 2026-10-18
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Proliz Software Ltd. Co. OBS (Student Affairs Information System) allows Stored XSS. This issue affects OBS (Student Affairs Information System): before 25.0401.

Affected products

Proliz Software Ltd. Co. OBS (Student Affairs Information System): before 25.0401 — fixed in 25.0401

How to fix

Upgrade to a fixed version: Proliz Software Ltd. Co. OBS (Student Affairs Information System) 25.0401. Check the vendor advisory for mitigations.

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-25-0379
https://www.usom.gov.tr/bildirim/tr-25-0379

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