Stored XSS via forged state-changing request
Published Mar 28, 2025 · Updated Apr 28, 2026
Stored XSS in Strategy11 Terms of Use 2.0 and earlier allows remote attackers to inject script through a forged request. Patchstack and the CNA record do not disclose the affected handler or parameter, or the missing request-integrity check that accepts and persists the payload. Exploitation requires an authenticated user to interact with attacker-controlled content; the stored script then runs when affected site content is rendered in a browser.
Summary
What happened
Stored XSS in Strategy11 Terms of Use 2.0 and earlier allows remote attackers to inject script through a forged request. Patchstack and the CNA record do not disclose the affected handler or parameter, or the missing request-integrity check that accepts and persists the payload. Exploitation requires an authenticated user to interact with attacker-controlled content; the stored script then runs when affected site content is rendered in a browser.
The record
- CVE
- CVE-2025-31440
- Published
- Mar 28, 2025
- Updated
- Apr 28, 2026
- Vendor
- Strategy11
- Product
- Terms of Use
- Classifications
- CWE-352, CAPEC-592, T1059.007
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Mar 28, 2025CVE publishedPublication date reported by the CVE source.
- Apr 28, 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=0 <=2.0
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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