5.4

CVE-2019-0557: microsoft microsoft sharepoint Cross-site Scripting

CVSS: 5.4v3.1MediumModified
Published 08-01-2019Last modified 28-02-2025
Open JSON

Vulnerability summary

CVE-2019-0557 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in microsoft microsoft sharepoint. EPSS estimates a 2.07% chance of exploitation in the next 30 days, higher than 81.1% 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
2.07%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-01-2019
    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 affects Microsoft SharePoint. This CVE ID is unique from CVE-2019-0556, CVE-2019-0558.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

2.07%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.07% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.07%

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

Microsoft2 products

1 vendor · 2 products

References

2 links