RubyGems Cross-site Scripting vulnerability
RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute that can result in XSS. This attack requires the victim to browse to a malicious gem on a vulnerable gem server. This vulnerability is fixed in 2.7.6.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.jruby:jruby-stdlib | < 9.1.16.0 | 9.1.16.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2018-1000078
- https://github.com/jruby/jruby/commit/0b06b48ab4432237ce5fc1bef47f2c6bcf7843f7
- https://github.com/rubygems/rubygems/commit/5971b486d4dbb2bad5d3445b3801c456eb0ce183
- https://github.com/rubygems/rubygems/commit/66a28b9275551384fdab45f3591a82d6b59952cb
- https://www.debian.org/security/2018/dsa-4259
- https://www.debian.org/security/2018/dsa-4219
- https://usn.ubuntu.com/3621-1
- https://lists.debian.org/debian-lts-announce/2019/05/msg00028.html
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html
- https://lists.debian.org/debian-lts-announce/2018/04/msg00001.html
- https://lists.debian.org/debian-lts-announce/2018/04/msg00000.html
- https://access.redhat.com/errata/RHSA-2020:0663
- https://access.redhat.com/errata/RHSA-2020:0591
- https://access.redhat.com/errata/RHSA-2020:0542
- https://access.redhat.com/errata/RHSA-2019:2028
- https://access.redhat.com/errata/RHSA-2018:3731
- https://access.redhat.com/errata/RHSA-2018:3730
- https://access.redhat.com/errata/RHSA-2018:3729
- http://blog.rubygems.org/2018/02/15/2.7.6-released.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Java / Kotlin (Maven)
- Package
org.jruby:jruby-stdlib- Disclosed
- 14.05.2022
- Updated
- 11.10.2026 12:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-87qx-g5wg-mwmj - CC BY 4.0
Vulnerability history: org.jruby:jruby-stdlib
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 7
- First → latest
- 05.2022 05.2022
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 3
- Medium 3
Disclosures per year
- 2022: 7
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
-
RubyGems Cross-site Scripting vulnerability this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.