CVE-2022-40626 — An unauthenticated user can create a link with reflected Javascript code inside

An unauthenticated user can create a link with reflected Javascript code inside the backurl parameter and send it to other authenticated users in order to create a fake account with predefined login, password and role in Zabbix Frontend.

01What is this vulnerability?

An unauthenticated user can create a link with reflected Javascript code inside the backurl parameter and send it to other authenticated users in order to create a fake account with predefined login, password and role in Zabbix Frontend.

02Affected products

Vendor	Product	Versions
Zabbix	Frontend	6.0.0-6.0.6, 6.2.0, 6.0.7rc1, 6.2.1rc1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-09-14T06:55:08.852Z
• Last modified: 2024-09-16T19:19:37.577Z

09References

• support.zabbix.com — https://support.zabbix.com/browse/ZBX-21350
• lists.fedoraproject.org — https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro…