CVE-2023-29454 Persistent XSS in the user form
Attackers can inject persistent scripts into the user form, allowing execution in victim browsers to steal sessions or execute actions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-29454?
CVE-2023-29454 is a medium-severity cross-site scripting vulnerability in Zabbix, published on 13 Jul 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Stored or persistent cross-site scripting (XSS) is a type of XSS where the attacker first sends the payload to the web application, then the application saves the payload (e.g., in a database or server-side text files), and finally, the application unintentionally executes the payload for every victim visiting its web pages.
Which versions are affected by CVE-2023-29454?
It affects 1 product.
Linux distribution packages (4)
zabbix SUSE:Package Hub 15 SP4 | All versions | 4.0.47-bp155.3.3.1 |
zabbix SUSE:Package Hub 15 SP5 | All versions | 4.0.47-bp155.3.3.1 |
zabbix openSUSE:Leap 15.4 | All versions | 4.0.47-bp155.3.3.1 |
zabbix openSUSE:Leap 15.5 | All versions | 4.0.47-bp155.3.3.1 |
Products include Zabbix Frontend.
How do I fix CVE-2023-29454?
Apply the vendor's patch.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-29454 being exploited?
There is no known exploitation of CVE-2023-29454 in the wild and no public exploit code.
Other vulnerabilities in Zabbix
- CVE-2023-32725 Leak of zbx_session cookie when using a scheduled report that includes a dashboard with a URL widget.
- CVE-2025-27232 Frontend arbitrary file read in oauth.authorize action
- CVE-2023-29457 Insufficient validation of Action form input fields
- CVE-2025-49643 Frontend DoS vulnerability due to asymmetric resource consumption
- CVE-2023-29456 Inefficient URL schema validation
Sources
Also known as DEBIAN-CVE-2023-29454, GHSA-j6fc-pvcg-2p4f, UBUNTU-CVE-2023-29454, openSUSE-SU-2023:0191-1, openSUSE-SU-2024:13068-1.