CVE-2024-42515 Glossarizer Cross-site Scripting vulnerability
Attackers can inject malicious scripts via stored XSS in Glossarizer by exploiting improper HTML conversion of escaped characters.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-42515?
CVE-2024-42515 is a critical cross-site scripting vulnerability in n/a, published on 31 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Glossarizer through 1.5.2 improperly tries to convert text into HTML. Even though the application itself escapes special characters (e.g., <>), the underlying library converts these encoded characters into legitimate HTML, thereby possibly causing stored XSS. Attackers can append a XSS payload to a word that has a corresponding glossary entry.
Weakness: CWE-79
Which versions are affected by CVE-2024-42515?
2 open source packages ship an affected version, including glossarizer.
| Package | Affected | Fixed in |
|---|---|---|
glossarizer npm | All versions to 1.5.2 | None |
glossarizer npm | All versions to 1.5.2 | None |
How do I fix CVE-2024-42515?
No fix has been published for CVE-2024-42515 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-2024-42515 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-42515 exists.
Sources
Also known as GHSA-hhhv-ggjx-q9j2.