CVE-2020-4987 Cross-site scripting in FlashSystem 900
Stored XSS in IBM FlashSystem 900 GUI allows attackers to inject JavaScript, potentially stealing credentials from trusted sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-4987?
CVE-2020-4987 is a medium-severity cross-site scripting vulnerability in IBM FlashSystem 900, published on 4 May 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The IBM FlashSystem 900 user management GUI is vulnerable to stored cross-site scripting in code versions 1.5.2.8 and prior and 1.6.1.2 and prior. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
Weakness: CWE-79
Which versions are affected by CVE-2020-4987?
It affects 1 product.
Products include Ibm Flashsystem 900 Firmware.
How do I fix CVE-2020-4987?
No fix has been published for CVE-2020-4987 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-2020-4987 being exploited?
There is no known exploitation of CVE-2020-4987 in the wild and no public exploit code.
Sources
Also known as GHSA-ccmm-6836-3vxj.