CVE-2023-27923 Cross-site scripting in VK Blocks and VK Blocks Pro
An authenticated attacker can inject arbitrary scripts via the Tag edit function in VK Blocks, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-27923?
CVE-2023-27923 is a medium-severity cross-site scripting vulnerability in Vektor,Inc. VK Blocks and VK Blocks Pro, published on 23 May 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting vulnerability in Tag edit function of VK Blocks 1.53.0.1 and earlier and VK Blocks Pro 1.53.0.1 and earlier allows a remote authenticated attacker to inject an arbitrary script.
Weakness: CWE-79
Which versions are affected by CVE-2023-27923?
It affects 1 product.
Products include Vektor-Inc Vk Blocks.
How do I fix CVE-2023-27923?
No fix has been published for CVE-2023-27923 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-2023-27923 being exploited?
There is no known exploitation of CVE-2023-27923 in the wild and no public exploit code.
Other vulnerabilities in Vektor,Inc. VK Blocks and VK Blocks Pro
- CVE-2023-5706 VK Blocks <= 1.63.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Block
- CVE-2023-27925 Cross-site scripting in VK Blocks and VK Blocks Pro
- CVE-2023-0583 VK Blocks <= 1.57.0.5 - Authenticated(Contributor+) Settings Update
- CVE-2023-0584 VK Blocks <= 1.57.0.5 - Authenticated(Contributor+) Settings Update
Sources
Also known as GHSA-47m3-mrjf-h78g.