CVE-2021-32542 json
SysJust CTS Web - Reflected XSS
published 2021-05-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19388
- cvss
- 4.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
The parameters of the specific functions in the CTS Web trading system do not filter special characters, which allows unauthenticated attackers can remotely perform reflected XSS and obtain the users’ connection token that triggered the attack.
Patch / fix
- sysjust cts_web 2021.3.24
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.7 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- SysJust CTS Web
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
twcert.org.tw
/tw/cp-132-4758-82b05-1.html
third-party-advisory
-
chtsecurity.com
/news/40e165e2-e539-49bc-bcf1-e3b27c29e344
third-party-advisory
Sources
- CVE List CVE-2021-32542
- NVD CVE-2021-32542
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