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CVE-2026-11854Published

Cross-Site Scripting via Authentication Endpoint Error Message in Multiple WSO2 Products

Exact source revision recorded 28 Oct 2026 20:55:13 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-11854

Published

The authentication endpoint generates an error message that includes reflected data directly from the request without sufficient sanitization or encoding. This allows an attacker to inject malicious scripts that can be executed in the context of a victim's browser. Successful exploitation enables an attacker to perform actions within the user's browser, such as redirecting the user to a malicious website, modifying the web page's user interface, or retrieving information. However, due to the httpOnly flag on session-related cookies, session hijacking or similar attacks are not possible.

Source published
28 Oct 2026 19:21:33 UTC
Source modified
28 Oct 2026 19:21:33 UTC
Observed here
28 Oct 2026 20:55:13 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 3.1 · 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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Sources read 7 Nov 08:57 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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