Medium 5.4Published Dec 23, 2025

CVE-2021-47738CSZ CMS 1.2.7 Persistent Cross-Site Scripting via Private Messaging

Updated under an hour ago (Oct 26, 2026, 3:30 PM ET)

Does this affect you?

It affects Cszcms CSZ CMS. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Cszcms CSZ CMS

Exploited in the last 30 days

CSZ CMS 1.2.7 contains a persistent cross-site scripting vulnerability that allows unauthorized users to embed malicious JavaScript in private messages. Attackers can send messages with script payloads in the user-agent header, which will execute when an admin views the message in the backend dashboard.

CVSS: 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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: Modified
Record last updated: Apr 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Cszcms CSZ CMS cszcms:csz_cms (from the name)	1.2.7	CNA record
cszcms csz_cms cszcms:csz_cms	1.2.7	NVD

References

References

https://www.exploit-db.com/exploits/48354	exploit, third-party-advisory, vdb-entry
https://www.cszcms.com/	product
https://sourceforge.net/projects/cszcms/	product
https://www.vulncheck.com/advisories/csz-cms-persistent-cross-site-scripting-via-private-messaging	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.