CVE-2021-43446 Cross-site scripting in n/a
Attackers can inject malicious scripts via the macros feature in ONLYOFFICE, potentially executing code or hijacking user sessions.
- 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-2021-43446?
CVE-2021-43446 is a medium-severity cross-site scripting vulnerability in n/a, published on 23 Jan 2023. 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
ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Cross Site Scripting (XSS). The "macros" feature of the document editor allows malicious cross site scripting payloads to be used.
Weakness: CWE-79
Which versions are affected by CVE-2021-43446?
It affects 1 product.
Products include Onlyoffice Server.
How do I fix CVE-2021-43446?
No fix has been published for CVE-2021-43446 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-2021-43446 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-43446 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5w4f-g47c-43mg.