CVE-2026-21269 is a vulnerability in Adobe ColdFusion
Published on August 11, 2026
ColdFusion | Cross-site Scripting (Stored XSS) (CWE-79)
is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. Scope is changed.
Vulnerability Analysis
CVE-2026-21269 can be exploited with local system access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software 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.
CVE-2026-21269 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-21269
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Affected Versions
Adobe ColdFusion 2025:- Before and including 2025.0.11 is affected.
- Version 2025.0.12 is unaffected.
- Before and including 2023.0.22 is affected.
- Version 2023.0.23 is unaffected.