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GHSA-mmxc-95ch-2j7c
No affected components available
Impact
A stored Cross-site Scripting (XSS) vulnerability existed in the admin panel. An authenticated user with write access to a collection could save content that, when viewed by another user, would execute in their browser.
Consumers are affected if ALL of these are true:
- Payload version < v3.78.0
- At least one collection with versions enabled
- An authenticated user has
createorupdateaccess to that collection
Patches
This vulnerability has been patched in v3.78.0. Output encoding has been added to prevent user-supplied content from being interpreted as markup.
Users should upgrade to v3.78.0 or later.
Workarounds
If consumers cannot upgrade immediately:
- Restrict
createandupdateaccess to versioned collections to trusted roles only.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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