CVE-2021-4175 Cross-site Scripting (XSS) - Stored in livehelperchat/livehelperchat
Attackers can inject malicious scripts into Live Helper Chat, potentially stealing user sessions or executing code in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-4175?
CVE-2021-4175 is a medium-severity cross-site scripting vulnerability in livehelperchat/livehelperchat, published on 29 Dec 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Weakness: CWE-79
Which versions are affected by CVE-2021-4175?
1 open source package ship an affected version, including livehelperchat. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
livehelperchat Bitnami | All versions | 3.91.0 |
Products include Livehelperchat Live Helper Chat.
How do I fix CVE-2021-4175?
Upgrade livehelperchat to 3.91.0 or later.
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-2021-4175 being exploited?
There is no known exploitation of CVE-2021-4175 in the wild and no public exploit code.
Other vulnerabilities in livehelperchat/livehelperchat
- CVE-2024-27516 livehelperchat Server-Side Template Injection
- CVE-2022-0935 Host Header injection in password Reset in livehelperchat/livehelperchat
- CVE-2022-1234 XSS in livehelperchat in livehelperchat/livehelperchat
- CVE-2022-1191 SSRF on index.php/cobrowse/proxycss/ in livehelperchat/livehelperchat
- CVE-2022-1213 SSRF filter bypass port 80, 433 in livehelperchat/livehelperchat
Sources
Also known as BIT-livehelperchat-2021-4175, GHSA-rfjp-9qrh-wm56.