CVE-2021-27938

6.1 mediumEPSS 0.8%

Medium (6.1) in symbiote silverstripe queued jobs. EPSS 0.8% chance of exploitation in the next 30 days.

A vulnerability has been identified in the Silverstripe CMS 3 and 4 version of the symbiote/silverstripe-queuedjobs module. A Cross Site Scripting vulnerability allows an attacker to inject an arbitrary payload in the CreateQueuedJobTask dev task via a specially crafted URL.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-03-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

symbiote:silverstripe_queued_jobs

References

https://github.com/symbiote/silverstripe-queuedjobs/releases
https://www.silverstripe.org/download/security-releases/cve-2021-27938
https://github.com/symbiote/silverstripe-queuedjobs/releases
https://www.silverstripe.org/download/security-releases/cve-2021-27938

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