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CVE-2019-15587
In the Loofah gem for Ruby through v2.3.0 unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished.
- 5.4MediumCVSS base score
- 1.6%Exploitation in 30 daysEPSS · top 24% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Loofah gem for Ruby through v2.3.0 unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished.
Timeline
ID reserved
By hackerone
- 57 days later
· 57 days later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.6% · top 24% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Affected products
Loofah (rubygem)
- affected Fixed in v2.3.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemsloofahGHSA-c3gv-9cxf-6f57 (opens in a new tab)
References
References7
- https://hackerone.com/reports/709009 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/flavorjones/loofah/issues/171 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-4554 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://security.netapp.com/advisory/ntap-20191122-0003/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2020-03c0964b6a (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-1ebc4b8284 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- USN-4498-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-0741 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-c3gv-9cxf-6f57 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-15587)Record last updated .