Authenticated script execution via undisclosed DOM injection
Published Jul 2, 2026 · Updated Jul 2, 2026
DOM-based XSS in TR7 WAF-ASP 1.0.42.239 through 1.4.0.116 allows remote authenticated users to execute script in a victim's browser. TR-CERT and TR7 have not disclosed which client-side page, attacker-controlled DOM source, or unsafe JavaScript sink causes the injection. Exploitation requires low-privileged access and victim interaction; injected script can read or alter data available to the affected browser session.
Summary
What happened
DOM-based XSS in TR7 WAF-ASP 1.0.42.239 through 1.4.0.116 allows remote authenticated users to execute script in a victim's browser. TR-CERT and TR7 have not disclosed which client-side page, attacker-controlled DOM source, or unsafe JavaScript sink causes the injection. Exploitation requires low-privileged access and victim interaction; injected script can read or alter data available to the affected browser session.
The record
- CVE
- CVE-2026-4770
- Published
- Jul 2, 2026
- Updated
- Jul 2, 2026
- Vendor
- TR7
- Product
- TR7 Application Security Platform
- Classifications
- CWE-79, T1189
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jul 2, 2026CVE publishedPublication date reported by the CVE source.
- Jul 2, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=v1.0.42.239 <v1.4.0.117
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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