Medium severity · published Feb 23, 2026
CVE-2026-3043
itsourcecode Event Management System navbar.php cross site scripting
6.1
CVSS
0.3%
EPSS
No
On KEV
Description
A flaw has been found in itsourcecode Event Management System 1.0. The impacted element is an unknown function of the file /admin/navbar.php. Executing a manipulation of the argument page can lead to cross site scripting. The attack may be performed from remote. The exploit has been published and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EM
Event Management System · itsourcecode
1.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3043
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3043
Exploit
https://github.com/ltranquility/cve_submit/issues/2
Product
https://itsourcecode.com/
Permissions Required
https://vuldb.com/?ctiid.347399
Third Party Advisory
https://vuldb.com/?id.347399
Third Party Advisory
https://vuldb.com/?submit.757227
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