CVE-2026-11520: A weakness has been identified in SourceCodester Inventory System 1.0. Affected by this issue is some unknown functionality of the file header.php. Th...

Description

A weakness has been identified in SourceCodester Inventory System 1.0. Affected by this issue is some unknown functionality of the file header.php. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Multiple parameters might be affected.

Metrics

CVSS 3.1

3.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CVSS 4.0

2/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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

EPSS Probability

0.25%

16.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published: Jun 8, 2026
Last Modified: Jul 23, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-11520?

A weakness has been identified in SourceCodester Inventory System 1.0. Affected by this issue is some unknown functionality of the file header.php. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Multiple parameters might be affected.

How severe is CVE-2026-11520?

CVE-2026-11520 has a CVSS score of 3.5/10 (LOW severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2026-11520?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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