CVE-2021-38603

MEDIUM

PluXML 5.8.7 - Stored Cross-Site Scripting in Information Field

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-38603. PoCs published by KielVaughn.

AI-analyzed exploit summary This repository provides a technical writeup detailing a stored XSS vulnerability in PluXML's profile edit page, specifically in the 'Information' field. The vulnerability allows malicious scripts to be executed when visiting pages/articles created by the affected user.

Description

PluXML 5.8.7 allows core/admin/profil.php stored XSS via the Information field.

Exploits (1)

nomisec WRITEUP 1 stars
by KielVaughn · poc
https://github.com/KielVaughn/CVE-2021-38603

This repository provides a technical writeup detailing a stored XSS vulnerability in PluXML's profile edit page, specifically in the 'Information' field. The vulnerability allows malicious scripts to be executed when visiting pages/articles created by the affected user.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: PluXML
Auth required
Prerequisites: Access to the profile edit page · User interaction to trigger the XSS
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (3)

Core 3
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://pluxml.org/download/changelog.txt
Exploit, Third Party Advisory x_refsource_misc
https://github.com/KielVaughn/CVE-2021-38603

Scores

CVSS v3 4.8
EPSS 0.0109
EPSS Percentile 61.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
pluxml/pluxml 5.8.7
Published Aug 12, 2021
Tracked Since Feb 18, 2026