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GHSA-fvjf-68wh-rwp2
No affected components available
When cloning an issue originating from a Project other than the current one, the clone form (bug_report_page.php) prepends the source Project name before the category selector without proper escaping, allowing an attacker able to to inject HTML if they can set the Project's name (which typically requires manager or administrator access level).
Impact
Cross-site scripting (XSS). This is mitigated by Content Security Policy which restricts scripts execution.
Patches
- df22697ae497ddd93f3d9132fdf4979db8d081cd
Workarounds
Make sure Project names do not contain any HTML tags.
Credits
Thanks to Vishal Shukla for discovering and responsibly reporting the issue.
The vulnerability was also identified and independently reported by @siunam321 (Tang Cheuk Hei), prior to this Advisory's publication.
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 high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
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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