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CVE-2020-3939SysJust Syuan-Gu-Da-Shih -Cross-Site Scripting(XSS)
- 6.1MediumCVSS base score
- 0.70%Exploitation in 30 daysEPSS · top 46% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
SysJust Syuan-Gu-Da-Shih, versions before 20191223, contain vulnerability of Cross-Site Scripting(XSS), personal information may be leaked to attackers via the vulnerability.
Timeline
ID reserved
By twcert
- 46 days later
· 46 days later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| twcertCNA (assigner) | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.70% · top 46% of all CVEs (14 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.
Affected products
- affected ≤ 20191223
What to do
Solution: Fixed, update to version > 20191223
References
References2
- https://tvn.twcert.org.tw/taiwanvn/TVN-201910015 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.chtsecurity.com/news/a791f509-9782-4be1-b71f-22fc619f8215 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-25204 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-3939)Record last updated .