A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Category management modu…

published 2026-03-27 7mo ago modified 2026-06-17 4mo ago also EUVD-2026-16672

cvss: 4.8; 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 14%
public exploits: 0; none known

A Stored Cross-Site Scripting (XSS) vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the Category management module within the admin panel. The application fails to properly sanitize user input supplied to the "Category Name" field when creating or updating a category. When an administrator or user visits the Category list page (or any page where this category is rendered), the injected JavaScript executes immediately in their browser.

Is CVE-2026-30527 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 7mo ago (2026-03-31)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/meifukun/Web-Security-PoCs/blob/main/Online-Food-Ordering-System/Stored-XSS-Category-Name.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /meifukun/Web-Security-PoCs/blob/main/Online-Food-Ordering-System/Stored-XSS-Category-Name.md
exploit, third-party-advisory

Sources

CVE List CVE-2026-30527
NVD CVE-2026-30527

Fencer Intel 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.