Elementor Header Footer Blocks Template
CVE-2021-24256
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
1DescriptionNVD
The “Elementor - Header, Footer & Blocks Template” WordPress Plugin before 1.5.8 has two widgets that are vulnerable to stored Cross-Site Scripting (XSS) by lower-privileged users such as contributors, all via a similar method.
AnalysisAI
The “Elementor - Header, Footer & Blocks Template” WordPress Plugin before 1.5.8 has two widgets that are vulnerable to stored Cross-Site Scripting (XSS) by lower-privileged users such as. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The “Elementor - Header, Footer & Blocks Template” WordPress Plugin before 1.5.8 has two widgets that are vulnerable to stored Cross-Site Scripting (XSS) by lower-privileged users such as contributors, all via a similar method. Affected products include: Brainstormforce Elementor - Header\, Footer \& Blocks Template. Version information: before 1.5.8.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
The Elementor Header & Footer Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the url attr
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Brainstorm
Same weakness CWE-79 – Cross-site Scripting (XSS)
View allShare
External POC / Exploit Code
Leaving vuln.today