CVE-2026-119680 SharePoint Manager Plus - Stored XSS

SharePoint Manager Plus contains a stored XSS caused by improper sanitization and HTML encoding of user-controlled data in chart attributes, letting attackers inject malicious scripts executed in other users' browsers, exploit requires user interaction.

CVSS base score 8.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.24% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Client Script Exec
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
30 October 2026
Updated
1 November 2026
Weakness
CWE-79

Vendor fix

Update to client application build 4508 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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