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Fencer Vulns
medium 6.1

CVE-2026-30563 json

A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0.

published 2026-03-30 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-17102

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits
0
none known

Summary

A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Sales and Inventory System 1.0. The vulnerability is located in the update_details.php file. The application fails to sanitize the "website" parameter provided in a POST request. This allows authenticated attackers to inject arbitrary web script or HTML that is stored in the database and executed whenever the store details page is accessed.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
7 mo ago

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/meifukun/Web-Security-PoCs/blob/main/Inventory-System/XSS-UpdateDetails-website.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.