CVE-2023-49782 Cross-Site-Scripting vulnerability in error message passing in richdocumentscode
Attackers can execute arbitrary scripts via proxy.php in Collabora Online, potentially compromising user sessions and data.
- 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-2023-49782?
CVE-2023-49782 is a high-severity cross-site scripting vulnerability in CollaboraOnline online, published on 8 Dec 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
Collabora Online is a collaborative online office suite based on LibreOffice technology. Users of Nextcloud with `Collabora Online - Built-in CODE Server` app can be vulnerable to attack via proxy.php. The bug was fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.601. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2023-49782?
It affects 1 product.
Products include Collaboraoffice Richdocumentscode.
How do I fix CVE-2023-49782?
No fix has been published for CVE-2023-49782 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-2023-49782 being exploited?
There is no known exploitation of CVE-2023-49782 in the wild and no public exploit code.