CVE-2022-0637: mozilla pollbot Open Redirect
CVSS: 6.1v3.1MediumModified
AliasesGHSA-vg27-hr3v-3cqvPYSEC-2026-738
Published 16-02-2023Last modified 19-03-2025
Vulnerability summary
CVE-2022-0637 is a medium (CVSS 6.1) Open Redirect vulnerability in mozilla pollbot. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.7% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)EPSS score
0.43%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-02-2023PublishedVulnerability first disclosed.
- 19-03-2025Last modifiedVulnerability information updated.
Description
open redirect in pollbot (pollbot.services.mozilla.com) in versions before 1.4.6
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 3 agree
- OSV · PypiEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
0.00 pp
From 0.43% on 19-09-2026
19-09-202619-10-2026
EPSS score0.43%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mozilla1 product
- pollbot< 1.4.6
PyPI1 product
- pollbot< 1.4.6
2 vendors · 2 products
References
9 links- github.com/mozilla/PollBotPACKAGE
- pypi.org/project/pollbotPACKAGE