CVE-2021-27703 Cross-site scripting in n/a
An attacker can inject malicious scripts into the firmware update page of the Sercomm Etisalat S3-AC2100 router, potentially compromising user sessions.
- 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-2021-27703?
CVE-2021-27703 is a medium-severity cross-site scripting vulnerability in n/a, published on 12 Nov 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Sercomm Model Etisalat Model S3- AC2100 is affected by Cross Site Scripting (XSS) via the firmware update page.
Weakness: CWE-79
Which versions are affected by CVE-2021-27703?
How do I fix CVE-2021-27703?
No fix has been published for CVE-2021-27703 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-2021-27703 being exploited?
There is no known exploitation of CVE-2021-27703 in the wild and no public exploit code.
Sources
Also known as GHSA-mm25-jv7r-42qf.