CVE-2025-51398
A stored cross-site scripting (XSS) vulnerability in the Facebook registration page of Live...
A stored cross-site scripting (XSS) vulnerability in the Facebook registration page of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Name parameter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A stored cross-site scripting (XSS) vulnerability in the Facebook registration page of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Name parameter.
- Record
CVE-2025-51398- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-22147
A stored cross-site scripting (XSS) vulnerability in the Facebook registration page of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Name parameter.
- Record
EUVD-2025-22147- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hx4h-p78r-mxcr
A stored cross-site scripting (XSS) vulnerability in the Facebook registration page of Live...
A stored cross-site scripting (XSS) vulnerability in the Facebook registration page of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Name parameter.
- Record
GHSA-hx4h-p78r-mxcr- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
A stored cross-site scripting (XSS) vulnerability in the Facebook registration page of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Name parameter.
- Record
CVE-2025-51398- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
A stored cross-site scripting (XSS) vulnerability in the Facebook registration page of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Name parameter.
- Record
CVE-2025-51398- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | LiveHelperChat 4.61 - Stored Cross Site Scripting (XSS) via Facebook Integration Page Name Field | 2025-07-22 |
| PoC in GitHub | Thewhiteevil/CVE-2025-51398 | 2025-07-20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, Exploit-DB, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-51398 is a medium vulnerability (CVSS 5.4) in Livehelperchat Live Helper Chat, published July 21, 2025. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.
References
github.com/LiveHelperChat/livehelperchat/pull/2228/commits/2056503ad96e04467ec9af8d827109b9b9b46223
dropbox.com/scl/fi/ldtrdf1681gekt9922d4y/2025-05-09-03-09-00.mp4?rlkey=pq1enfkys429h2g3ut3hs4fqj&st=zxc9vuq0&dl=0
nvd.nist.gov/vuln/detail/CVE-2025-51398