CVE-2021-45745

MEDIUM

Bludit < 3.13.1 - Stored Cross-Site Scripting in About Plugin

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2021-45745. PoCs published by sanupl, plsanu.

AI-analyzed exploit summary This repository provides a detailed technical writeup for CVE-2021-45745, a stored XSS vulnerability in Bludit 3.13.1's About Plugin. It includes step-by-step exploitation instructions and a payload example.

Description

A Stored Cross Site Scripting (XSS) vulnerability exists in Bludit 3.13.1 via the About Plugin in login panel.

Exploits (3)

nomisec WRITEUP 1 stars
by sanupl · poc
https://github.com/sanupl/CVE-2021-45745

This repository provides a detailed technical writeup for CVE-2021-45745, a stored XSS vulnerability in Bludit 3.13.1's About Plugin. It includes step-by-step exploitation instructions and a payload example.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Bludit 3.13.1
Auth required
Prerequisites: Admin access to Bludit panel · Blog X theme activated · About plugin enabled
devstral-2 · analyzed May 19, 2026 Full analysis →
nomisec WRITEUP
by sanupl · poc
https://github.com/sanupl/Bludit-3.13.1-About-Plugin-Stored-Cross-Site-Scripting-XSS

This repository provides a detailed technical writeup for CVE-2021-45745, a stored XSS vulnerability in Bludit 3.13.1's About Plugin. It includes step-by-step exploitation instructions, a payload example, and mitigation recommendations.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Bludit 3.13.1
Auth required
Prerequisites: Admin access to Bludit panel · Blog X theme activated · About plugin enabled
devstral-2 · analyzed May 19, 2026 Full analysis →
nomisec WRITEUP
by plsanu · poc
https://github.com/plsanu/Bludit-3.13.1-About-Plugin-Stored-Cross-Site-Scripting-XSS

This repository contains a writeup for CVE-2021-45745, a stored XSS vulnerability in Bludit 3.13.1's About Plugin. The exploit involves injecting malicious JavaScript into the About section, which is then executed when the site is visited.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Bludit 3.13.1
Auth required
Prerequisites: Admin access to the Bludit admin panel · Blog X theme activated · About plugin enabled
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 5.4
EPSS 0.0144
EPSS Percentile 69.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
bludit/bludit < 3.13.1
Published Jan 06, 2022
Tracked Since Feb 18, 2026