CVE-2025-51966 json
A cross-site scripting (XSS) vulnerability exists in the PDF preview functionality of uTools thru 7.1.1.
published 2025-09-02 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-26422
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 16%
- public exploits
- 0
- none known
Summary
A cross-site scripting (XSS) vulnerability exists in the PDF preview functionality of uTools thru 7.1.1. When a user previews a specially crafted PDF file, embedded JavaScript code executes within the application's privileged context, potentially allowing attackers to steal sensitive data or perform unauthorized actions.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 14 mo ago
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- t1sts.github.io https://t1sts.github.io/2025/05/27/uTools-has-an-XSS-vulnerability/ referenced PoC, tagged "exploit" by a source, unverified
- t1sts.github.io https://t1sts.github.io/2025/09/01/CVE-2025-51966/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
t1sts.github.io
/2025/05/27/uTools-has-an-XSS-vulnerability/
exploit, third-party-advisory
-
t1sts.github.io
/2025/09/01/CVE-2025-51966/
exploit, third-party-advisory
Sources
- CVE List CVE-2025-51966
- NVD CVE-2025-51966
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