CVE-2017-7734 Cross-site scripting in Fortinet FortiOS

What is CVE-2017-7734?

CVE-2017-7734 is a medium-severity cross-site scripting vulnerability in Fortinet Fortios, published on 12 Sep 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A Cross-Site Scripting vulnerability in Fortinet FortiOS versions 5.4.0 through 5.4.4 allows attackers to execute unauthorized code or commands via 'Comments' while saving Config Revisions.

Weakness: CWE-79

Which versions are affected by CVE-2017-7734?

It affects 1 product.

Products include Fortinet Fortios.

How do I fix CVE-2017-7734?

No fix has been published for CVE-2017-7734 yet. Limit exposure of the affected software until one is available.

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-2017-7734 being exploited?

There is no known exploitation of CVE-2017-7734 in the wild and no public exploit code.

Other vulnerabilities in Fortinet Fortios

• CVE-2024-23113 Fortinet Multiple Products Format String Exploited Critical 9.8
• CVE-2022-40684 Fortinet Multiple Products Authentication Bypass Exploited Critical 9.8
• CVE-2024-55591 Fortinet FortiOS and FortiProxy Authentication Bypass Exploited Critical 9.6
• CVE-2024-21762 Fortinet FortiOS Out-of-Bound Write Exploited Critical 9.6
• CVE-2022-42475 Fortinet FortiOS Heap-Based Buffer Overflow Exploited Critical 9.3

All Fortinet Fortios vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-46q2-9g95-42vx.