CVE-2018-20017 json
SEMCMS 3.5 has XSS via the first text box to the SEMCMS_Main.php URI.
published 2018-12-10 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12595
- cvss
- 4.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
SEMCMS 3.5 has XSS via the first text box to the SEMCMS_Main.php URI.
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/source-trace/semcms/issues/1 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.8 | CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/source-trace/semcms/issues/1
exploit, third-party-advisory
Sources
- CVE List CVE-2018-20017
- NVD CVE-2018-20017
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