CVE-2021-42838 Grand Vice info Co. webopac7 - Reflected XSS
Unauthenticated attackers can inject JavaScript via the book search field in webopac7, enabling reflective XSS attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-42838?
CVE-2021-42838 is a medium-severity cross-site scripting vulnerability in Grand Vice info Co. webopac7, published on 15 Nov 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Grand Vice info Co. webopac7 book search field parameter does not properly restrict the input of special characters, thus unauthenticated attackers can inject JavaScript syntax remotely, and further perform reflective XSS attacks.
Weakness: CWE-79
Which versions are affected by CVE-2021-42838?
It affects 1 product.
Products include Vice Webopac.
How do I fix CVE-2021-42838?
No fix has been published for CVE-2021-42838 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-2021-42838 being exploited?
There is no known exploitation of CVE-2021-42838 in the wild and no public exploit code.
Other vulnerabilities in Grand Vice info Co. webopac7
- CVE-2024-11016 Grand Vice info Webopac - SQL Injection
- CVE-2024-11018 Grand Vice info Webopac - Arbitrary File Upload
- CVE-2024-11020 Grand Vice info Webopac7 - SQL Injection
- CVE-2024-11017 Grand Vice info Webopac - Arbitrary File Upload
- CVE-2021-42839 Grand Vice info Co. webopac7 - Arbitrary File Upload
Sources
Also known as GHSA-rj3h-j446-4cfq.