CVE-2021-29661 Cross-site scripting in n/a
An attacker can inject JavaScript into trace files via the ITEMLISTVALUES parameter, which executes when authenticated users view the page.
- 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
- None listed
What is CVE-2021-29661?
CVE-2021-29661 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Apr 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Softing AG OPC Toolbox through 4.10.1.13035 allows /en/diag_values.html Stored XSS via the ITEMLISTVALUES##ITEMID parameter, resulting in JavaScript payload injection into the trace file. This payload will then be triggered every time an authenticated user browses the page containing it.
Weakness: CWE-79
Which versions are affected by CVE-2021-29661?
It affects 1 product.
Products include Softing Opc Toolbox.
How do I fix CVE-2021-29661?
No fix has been published for CVE-2021-29661 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-2021-29661 being exploited?
There is no known exploitation of CVE-2021-29661 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-v8wh-43jc-pfwj.