CVE-2023-0376 Qubely < 1.8.5 - Contributor+ Stored XSS
Contributors can inject malicious scripts via block options in the Qubely WordPress plugin, leading to stored XSS attacks.
- 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-2023-0376?
CVE-2023-0376 is a medium-severity cross-site scripting vulnerability in Unknown Qubely, published on 16 Jan 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
The Qubely WordPress plugin before 1.8.5 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.
Weakness: CWE-79
Which versions are affected by CVE-2023-0376?
It affects 1 product.
Products include Themeum Qubely.
How do I fix CVE-2023-0376?
No fix has been published for CVE-2023-0376 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-2023-0376 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-0376 exists.
Other vulnerabilities in Unknown Qubely
- CVE-2021-24916 Qubely < 1.8.6 - Unauthenticated Arbitrary E-mail Sending
- CVE-2025-26767 WordPress Qubely plugin <= 1.8.12 - Cross Site Scripting (XSS) vulnerability
- CVE-2024-9601 Cross-site scripting in Qubely – Advanced Gutenberg Blocks
- CVE-2021-25013 Qubely < 1.7.8 - Subscriber+ Arbitrary Post Deletion
- CVE-2024-13228 Information disclosure in Qubely – Advanced Gutenberg Blocks
Sources
Also known as GHSA-hvw8-m5g6-cxrv.