High severity7.5NVD Advisory· Published Jul 26, 2019· Updated Jun 17, 2026
CVE-2018-20857
CVE-2018-20857
Description
Zendesk Samlr before 2.6.2 allows an XML nodes comment attack such as a name_id node with [email protected] followed by <!---->. and then the attacker's domain name.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
samlrRubyGems | < 2.6.2 | 2.6.2 |
Affected products
3- Zendesk/Samlrdescription
Patches
Vulnerability mechanics
References
5- github.com/zendesk/samlr/compare/v2.6.1...v2.6.2nvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-qpxp-5j56-gg3xghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2018-20857ghsaADVISORY
- github.com/rubysec/ruby-advisory-db/blob/master/gems/samlr/CVE-2018-20857.ymlghsaWEB
- github.com/zendesk/samlr/pull/29ghsaWEB
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