What’s Vulnerable › Vulnerabilities

CVE-2017-2661

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-03-12 · updated 2026-06-17
• Weakness: CWE-79

Description

ClusterLabs pcs before version 0.9.157 is vulnerable to a cross-site scripting vulnerability due to improper validation of Node name field when creating new cluster or adding existing cluster.

Affected products

• ClusterLabs pcs: before 0.9.157 — fixed in 0.9.157

How to fix

Upgrade to a fixed version: ClusterLabs pcs 0.9.157. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1428948
• https://github.com/ClusterLabs/pcs/commit/1874a769b5720ae5430f10c6cedd234430bc703f
• https://bugzilla.redhat.com/show_bug.cgi?id=1428948
• https://github.com/ClusterLabs/pcs/commit/1874a769b5720ae5430f10c6cedd234430bc703f

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