CVE-2021-21354 Open redirect in pollbot
An attacker can redirect users to malicious sites via a crafted URL in Mozilla Pollbot, potentially facilitating phishing attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-21354?
CVE-2021-21354 is a high-severity vulnerability in mozilla PollBot, published on 8 Mar 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Weakness: CWE-601
Which versions are affected by CVE-2021-21354?
It affects 1 product.
Products include Mozilla Pollbot.
How do I fix CVE-2021-21354?
No fix has been published for CVE-2021-21354 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-21354 being exploited?
There is no known exploitation of CVE-2021-21354 in the wild and no public exploit code.
Other vulnerabilities in mozilla PollBot
Sources
Also known as GHSA-jhgx-wmq8-jc24.