CVE-2023-23898 WordPress Blocksy Companion Plugin <= 1.8.67 is vulnerable to Cross Site Scripting (XSS)
Authenticated contributors can inject malicious scripts via stored XSS in the Blocksy Companion plugin, 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-2023-23898?
CVE-2023-23898 is a medium-severity cross-site scripting vulnerability in CreativeThemes Blocksy Companion, published on 6 Apr 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
Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in CreativeThemes Blocksy Companion plugin <= 1.8.67 versions.
Weakness: CWE-79
Which versions are affected by CVE-2023-23898?
It affects 1 product.
Products include Creativethemes Blocksy Companion.
How do I fix CVE-2023-23898?
No fix has been published for CVE-2023-23898 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-2023-23898 being exploited?
There is no known exploitation of CVE-2023-23898 in the wild and no public exploit code.
Other vulnerabilities in CreativeThemes Blocksy Companion
- CVE-2024-4487 Blocksy Companion <= 2.0.45 - Authenticated (Contributor+) Stored Cross-Site Scripting via SVG Uploads
- CVE-2024-2392 Blocksy Companion <= 2.0.31 - Authenticated (Contributor+) Stored Cross-Site Scripting
- CVE-2024-31932 WordPress Blocksy Companion plugin <= 2.0.28 - Cross Site Request Forgery (CSRF) vulnerability
- CVE-2024-35633 WordPress Blocksy Companion plugin <= 2.0.42 - Server Side Request Forgery (SSRF) vulnerability
- CVE-2023-1911 Blocksy Companion < 1.8.82 - Subscriber+ Draft Post Access
Sources
Also known as GHSA-6w6v-rfwc-h24p.