Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Pollbot | < 1.4.4 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1694684Issue TrackingPermissions RequiredThird Party Advisory
- https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_ForwardThird Party Advisory
- https://github.com/mozilla/PollBot/commit/6db74a4fcbff258c7cdf51a6ff0724fc10c485PatchThird Party Advisory
- https://github.com/mozilla/PollBot/pull/333PatchThird Party Advisory
- https://github.com/mozilla/PollBot/releases/tag/v1.4.4Third Party Advisory
- https://github.com/mozilla/PollBot/security/advisories/GHSA-jhgx-wmq8-jc24ExploitThird Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1694684Issue TrackingPermissions RequiredThird Party Advisory
- https://cheatsheetseries.owasp.org/cheatsheets/Unvalidated_Redirects_and_ForwardThird Party Advisory
- https://github.com/mozilla/PollBot/commit/6db74a4fcbff258c7cdf51a6ff0724fc10c485PatchThird Party Advisory
- https://github.com/mozilla/PollBot/pull/333PatchThird Party Advisory
- https://github.com/mozilla/PollBot/releases/tag/v1.4.4Third Party Advisory
- https://github.com/mozilla/PollBot/security/advisories/GHSA-jhgx-wmq8-jc24ExploitThird Party Advisory
FAQ
What is CVE-2021-21354?
CVE-2021-21354 is a vulnerability with a CVSS score of 7.4 (HIGH). 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 a...
How severe is CVE-2021-21354?
CVE-2021-21354 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21354?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Pollbot.