CVE-2021-24362 Photo Gallery < 1.5.75 - Stored Cross-Site Scripting via Uploaded SVG
An attacker with image upload permissions can inject malicious JavaScript via SVG files, leading to stored XSS execution in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-24362?
CVE-2021-24362 is a medium-severity cross-site scripting vulnerability in Unknown Photo Gallery by 10Web – Mobile-Friendly Image Gallery, published on 16 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Photo Gallery by 10Web – Mobile-Friendly Image Gallery WordPress plugin before 1.5.75 did not ensure that uploaded SVG files added to a gallery do not contain malicious content. As a result, users allowed to add images to gallery can upload an SVG file containing JavaScript code, which will be executed when accessing the image directly (ie in the /wp-content/uploads/photo-gallery/ folder), leading to a Cross-Site Scripting (XSS) issue
Weakness: CWE-79
Which versions are affected by CVE-2021-24362?
It affects 1 product.
Products include 10web Photo Gallery.
How do I fix CVE-2021-24362?
No fix has been published for CVE-2021-24362 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-24362 being exploited?
There is no known exploitation of CVE-2021-24362 in the wild and no public exploit code.
Other vulnerabilities in Unknown Photo Gallery by 10Web – Mobile-Friendly Image Gallery
Sources
Also known as GHSA-pg42-7827-374h.