CVE-2022-30777
published 2022-05-16CVE-2022-30777: Parallels H-Sphere 3.6.1713 allows XSS via the index_en.php from parameter.
PriorityP278medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
ITWEXPLOITVulnCheck KEV
Exploited in the wild
EPSS
2.10%
79.4th percentile
Parallels H-Sphere 3.6.1713 allows XSS via the index_en.php from parameter.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| parallels | h-sphere | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →Probe GET requests to /index_en.php and /index.php with the 'from' parameter set to %22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E; a vulnerable response will reflect the unencoded payload string in the HTML body with HTTP 200 and Content-Type: text/html.
- →Use Shodan/FOFA/Google dorks to identify exposed H-Sphere instances as targets: Shodan title:"h-sphere", FOFA title="parallels h-sphere", Google intitle:"h-sphere".
- →The XSS payload is reflected unescaped in the response body; detection should look for the literal string ">alert(document.domain) in HTTP responses to requests targeting the 'from' query parameter.
- ·The Nuclei template uses stop-at-first-match, meaning /index.php is only probed if /index_en.php does not return a match; scanners should account for both paths independently.
- ·The template targets CPE cpe:2.3:a:parallels:h-sphere:3.6.2 but the CVE description references version 3.6.1713; verify the exact version string when scoping detections.
CVSS provenance
nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
vulncheck6.1MEDIUM
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GHSA
GHSA-27qc-3h99-8rcj: Parallels H-Sphere 3
ghsa_unreviewed·2022-05-17
CVE-2022-30777 [MEDIUM] CWE-79 GHSA-27qc-3h99-8rcj: Parallels H-Sphere 3
Parallels H-Sphere 3.6.2 allows XSS via the index_en.php from parameter.
VulnCheck
parallels h-sphere Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
vulncheck·2022·CVSS 6.1
CVE-2022-30777 [MEDIUM] parallels h-sphere Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
parallels h-sphere Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Parallels H-Sphere 3.6.1713 allows XSS via the index_en.php from parameter.
Affected: parallels h-sphere
Required Action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Exploitation References: https://www.forescout.com/resources/2025-threat-roundup/
No detection rules found.
Nuclei
Parallels H-Sphere 3.6.1713 - Cross-Site Scripting
nuclei·CVSS 6.1
CVE-2022-30777 [MEDIUM] Parallels H-Sphere 3.6.1713 - Cross-Site Scripting
Parallels H-Sphere 3.6.1713 - Cross-Site Scripting
Parallels H-Sphere 3.6.1713 contains a cross-site scripting vulnerability via the index_en.php 'from' parameter.
Template:
id: CVE-2022-30777
info:
name: Parallels H-Sphere 3.6.1713 - Cross-Site Scripting
author: 3th1c_yuk1
severity: medium
description: |
Parallels H-Sphere 3.6.1713 contains a cross-site scripting vulnerability via the index_en.php 'from' parameter.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
remediation: |
Apply the latest security patch or upgrade to a newer version of Parallels H-Sphere to mitigate the XSS vulnerability.
reference:
- https://medium
No writeups or analysis indexed.
2022-05-16
Published
Exploited in the wild