PYSEC-2026-738
open redirect in pollbot
Details
(From https://bugzilla.mozilla.org/show_bug.cgi?id=1753838)
Summary: There was an open redirection vulnerability in the path of:
https://pollbot.services.mozilla.com/ and https://pollbot.stage.mozaws.net/
Description: An attacker can redirect anyone to malicious sites.
Steps To Reproduce: Type in this URL:
https://pollbot.services.mozilla.com/%0a/evil.com/
It redirects to that website
evil.com
evil.com was used as an example but this could be any website. Note, the /%0a/ and trailing / are required.
Supporting Material/References: https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_Forwards_Cheat_Sheet.html
Impact
Attackers can serve malicious websites that steal passwords or download ransomware to their victims machine due to a redirect and there are a heap of other attack vectors.
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://github.com/mozilla/PollBot/security/advisories/GHSA-vg27-hr3v-3cqv [WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2022-0637 [ADVISORY]
- https://github.com/mozilla/PollBot/pull/360 [WEB]
- https://github.com/mozilla/PollBot/commit/e39d8bec2df582ba525bb2e2f33c3ebc584d7ff8 [WEB]
- https://bugzilla.mozilla.org/show_bug.cgi?id=1753838 [WEB]
- https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2022-0637 [WEB]
- https://github.com/mozilla/PollBot [PACKAGE]
- https://pypi.org/project/pollbot [PACKAGE]
- https://github.com/advisories/GHSA-vg27-hr3v-3cqv [ADVISORY]