5.4

CVE-2019-0830: microsoft microsoft sharepoint enterprise server Cross-site Scripting

CVSS: 5.4v3.1MediumModified
Published 09-04-2019Last modified 28-02-2025
Open JSON

Vulnerability summary

CVE-2019-0830 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in microsoft microsoft sharepoint enterprise server. EPSS estimates a 1.57% chance of exploitation in the next 30 days, higher than 75.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.57%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-04-2019
    PublishedVulnerability first disclosed.
  2. 28-02-2025
    Last modifiedVulnerability information updated.

Description

A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka 'Microsoft Office SharePoint XSS Vulnerability'. This CVE ID is unique from CVE-2019-0831.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

1.57%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

-0.01 pp

From 1.58% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft6 products

1 vendor · 6 products

References

1 links