Vulnerability Details : CVE-2020-1456
Potential exploit
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-2020-1450, CVE-2020-1451.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2020-1456
- cpe:2.3:a:microsoft:sharepoint_server:2010:sp2:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-1456
0.45%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-1456
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-02-28 |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2020-1456
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2020-1456
-
https://slashcrypto.org/2021/01/15/CVE-2020-1456/
Insertion of Malicious Links for Execution in Profile Picture - Unvalidated User Input in MS SharePoint 2019 (CVE-2020-1456) - slashcrypto's pageExploit;Third Party Advisory
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1456
CVE-2020-1456 | Microsoft Office SharePoint XSS VulnerabilityPatch;Vendor Advisory
-
https://it-sec.de/ger/Aktuelles-Termine/it.sec-blog/it.sec-Research-Team-findet-unbekannte-Schwachstelle-in-Microsoft-Office-SharePoint
it.sec Research Team findet unbekannte Schwachstelle in Microsoft Office SharePoint / it.sec blog / Aktuelles & Termine / Home - it.sec HomeThird Party Advisory
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