ReDos vulnerability on guest checkout email validation

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.014, the 73rd percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 7 Dec 2021. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-qxmr-qxh6-2cc9
• OSV: GHSA-qxmr-qxh6-2cc9
• github.com/solidusio/solidus/security/advisories/GHSA-qxmr-qxh6-2cc9
• nvd.nist.gov/vuln/detail/CVE-2021-43805
• github.com/solidusio/solidus/commit/6be174c955fad84017ca67589c676526bc5ade71
• github.com/solidusio/solidus/commit/9867153e01e3c3b898cdbcedd7b43375ea922401
• github.com/rubysec/ruby-advisory-db/blob/master/gems/solidus_core/CVE-2021-43805.yml
• github.com/solidusio/solidus

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.