What’s Vulnerable › Vulnerabilities

CVE-2017-20164: Symbiote Seed Login SecurityLoginExtension.php onBeforeSecurityLogin redirect

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-07 · updated 2026-06-17
• Weakness: CWE-601

Description

A vulnerability was found in Symbiote Seed up to 6.0.2. It has been classified as critical. Affected is the function onBeforeSecurityLogin of the file code/extensions/SecurityLoginExtension.php of the component Login. The manipulation of the argument URL leads to open redirect. It is possible to launch the attack remotely. Upgrading to version 6.0.3 is able to address this issue. The patch is identified as b065ebd82da53009d273aa7e989191f701485244. It is recommended to upgrade the affected component. VDB-217626 is the identifier assigned to this vulnerability.

Affected products

• Symbiote Seed: from 6.0.0 before 6.0.3 — fixed in 6.0.3

How to fix

Upgrade to a fixed version: Symbiote Seed 6.0.3. Check the vendor advisory for mitigations.

References

• https://github.com/symbiote/silverstripe-seed/commit/b065ebd82da53009d273aa7e989191f701485244
• https://github.com/symbiote/silverstripe-seed/releases/tag/6.0.3
• https://vuldb.com/?ctiid.217626
• https://vuldb.com/?id.217626
• https://github.com/symbiote/silverstripe-seed/commit/b065ebd82da53009d273aa7e989191f701485244
• https://github.com/symbiote/silverstripe-seed/releases/tag/6.0.3
• https://vuldb.com/?ctiid.217626
• https://vuldb.com/?id.217626

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