CVE-2025-13183: Stored XSS in Hotech's Otello

Severity: high (CVSS 7.3 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: 2025-12-23 · updated 2026-10-19
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Hotech Software Inc. Otello allows Stored XSS. This issue affects Otello: from 2.4.0 before 2.4.4.

Affected products

Hotech Software Inc. Otello: from 2.4.0 before 2.4.4 — fixed in 2.4.4

How to fix

Upgrade to a fixed version: Hotech Software Inc. Otello 2.4.4. Check the vendor advisory for mitigations.

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-25-0476
https://www.usom.gov.tr/bildirim/tr-25-0476

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