4.8

CVE-2018-20017: sem-cms semcms Cross-site Scripting

CVSS: 4.8v3.0MediumModified
Published 10-12-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-20017 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in sem-cms semcms. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.0 (NVD)
EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 10-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

SEMCMS 3.5 has XSS via the first text box to the SEMCMS_Main.php URI.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Semcms

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Sem-cms1 product

1 vendor · 1 product

References

1 links