CVE-2021-21354

Summary

CVECVE-2021-21354
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-08 19:15:00 UTC
Updated2021-03-12 15:21:00 UTC
DescriptionPollbot 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.

Risk And Classification

Problem Types: CWE-601

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Pollbot All All All All
Application Mozilla Pollbot All All All All

References

ReferenceSourceLinkTags
Access Denied MISC bugzilla.mozilla.org Issue Tracking, Permissions Required, Third Party Advisory
Unvalidated Redirects and Forwards - OWASP Cheat Sheet Series MISC cheatsheetseries.owasp.org Third Party Advisory
open redirect in [pollbot.services.mozilla.com] · Advisory · mozilla/PollBot · GitHub CONFIRM github.com Exploit, Third Party Advisory
Advisory fix 1 by bhearsum · Pull Request #333 · mozilla/PollBot · GitHub MISC github.com Patch, Third Party Advisory
Release 1.4.4 Release · mozilla/PollBot · GitHub MISC github.com Third Party Advisory
Remove leading slashes in 404 redirections · mozilla/PollBot@6db74a4 · GitHub MISC github.com Patch, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report