Medium 6.4Published May 10, 2026

CVE-2021-47907Rocket LMS 1.1 Persistent Cross-Site Scripting via Support Tickets

Updated under an hour ago (Oct 28, 2026, 6:30 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for Rocketsoft Rocket LMS

Exploited in the last 30 days

Rocket LMS 1.1 contains a persistent cross-site scripting vulnerability in the support ticket module that allows authenticated users to inject malicious script code through the title parameter. Attackers can submit support tickets with embedded HTML/JavaScript payloads that execute in the browsers of other users viewing the message history, enabling session hijacking and phishing attacks.

CVSS: 6.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: May 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Rocketsoft Rocket LMS rocketsoft:rocket_lms (from the name)	1.1	CNA record

References

References

https://www.exploit-db.com/exploits/50677	exploit
https://lms.rocket-soft.org/	product
https://www.vulncheck.com/advisories/rocket-lms-persistent-cross-site-scripting-via-support-tickets	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.