CVE-2024-35540

A stored cross-site scripting (XSS) vulnerability in Typecho v1.3.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload

High · published August 20, 2024

CVSS v3.1
7.6
EPSS
3%
Percentile
86.5
In the wild
Unconfirmed
What it is

⚡ A crafty stored XSS vulnerability in Typecho v1.3.0 could let attackers run their own scripts with just a clever payload! Think of this like a restaurant where a sneaky chef can slip a secret ingredient into any dish without anyone checking the recipe — it can completely change how your meal (or in this case, your website) tastes! An attacker could exploit this vulnerability to execute arbitrary scripts, potentially stealing sensitive user data or defacing your site. This means your visitors could be exposed to harmful content, which could lead to a loss of trust and reputation — absolutely devastating!

Put simply

Think of this like a restaurant where a sneaky chef can slip a secret ingredient into any dish without anyone checking the recipe — it can completely change how your meal (or in this case, your website) tastes! This stored XSS flaw allows malicious scripts to be injected and stored in the application, only to run later when users access the affected content, like a bad joke that gets told over and over again.

What to do

An attacker could exploit this vulnerability to execute arbitrary scripts, potentially stealing sensitive user data or defacing your site. This means your visitors could be exposed to harmful content, which could lead to a loss of trust and reputation — absolutely devastating! To secure your system, upgrade Typecho to the latest version immediately. Implement input sanitization and validation to prevent script injection, and consider using Content Security Policy (CSP) headers for extra protection. You've got this! Follow these steps and you'll have your website riding the security wave in no time! 🛡️

The record
Technical detail
CVSS v3.1
7.6 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02830 · 86.5th percentile
Published
2024-08-20T00:00Z
EPSS history
Timeline
  • 20 AUG 00:00Z
    A stored cross-site scripting (XSS) vulnerability in Typecho v1.3.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload
    cvelistv5