Vulnerability · Published Mar 8, 2021 · Assigned by GitHub_M
CVE-2021-21354Open redirect in pollbot
High 7.4
In plain English
A high-severity open redirect in PollBot from mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).
Official description
Pollbot is open source software which "frees its human masters from the toilsome task of polling for the state of things during the Firefox release process." In Pollbot before version 1.4.4 there is an open redirection vulnerability in the path of "https://pollbot.services.mozilla.com/". An attacker can redirect anyone to malicious sites. To Reproduce type in this URL: "https://pollbot.services.mozilla.com//evil.com/". Affected versions will redirect to that website when you inject a payload like "//evil.com/". This is fixed in version 1.4.4.
Affected products (as reported)
Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
References
- https://github.com/mozilla/PollBot/security/advisories/GHSA-jhgx-wmq8-jc24 x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1694684 x_refsource_MISC
- https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html x_refsource_MISC
- https://github.com/mozilla/PollBot/releases/tag/v1.4.4 x_refsource_MISC
- https://github.com/mozilla/PollBot/pull/333 x_refsource_MISC
- https://github.com/mozilla/PollBot/commit/6db74a4fcbff258c7cdf51a6ff0724fc10c485e5 x_refsource_MISC