Obsidian
by Plesk
CVEs (7)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2025-54336 | Cri | 0.64 | 9.8 | 0.00 | Aug 19, 2025 | In Plesk Obsidian 18.0.70, _isAdminPasswordValid uses an == comparison. Thus, if the correct password is "0e" followed by any digit string, then an attacker can login with any other string that evaluates to 0.0 (such as the 0e0 string). This occurs in admin/plib/LoginManager.php. | ||
| CVE-2022-45130 | Med | 0.42 | 6.5 | 0.00 | Nov 10, 2022 | Plesk Obsidian allows a CSRF attack, e.g., via the /api/v2/cli/commands REST API to change an Admin password. NOTE: Obsidian is a specific version of the Plesk product: version numbers were used through version 12, and then the convention was changed so that versions are… | ||
| CVE-2023-24044 | Med | 0.40 | 6.1 | 0.02 | Jan 22, 2023 | A Host Header Injection issue on the Login page of Plesk Obsidian through 18.0.49 allows attackers to redirect users to malicious websites via a Host request header. NOTE: the vendor's position is "the ability to use arbitrary domain names to access the panel is an intended… | ||
| CVE-2021-35976 | Med | 0.40 | 6.1 | 0.01 | Sep 10, 2021 | The feature to preview a website in Plesk Obsidian 18.0.0 through 18.0.32 on Linux is vulnerable to reflected XSS via the /plesk-site-preview/ PATH, aka PFSI-62467. The attacker could execute JavaScript code in the victim's browser by using the link to preview sites hosted on… | ||
| CVE-2020-11583 | Med | 0.40 | 6.1 | 0.01 | Aug 3, 2020 | A GET-based XSS reflected vulnerability in Plesk Obsidian 18.0.17 allows remote unauthenticated users to inject arbitrary JavaScript, HTML, or CSS via a GET parameter. | ||
| CVE-2025-49618 | Med | 0.38 | 5.8 | 0.00 | Jul 3, 2025 | In Plesk Obsidian 18.0.69, unauthenticated requests to /login_up.php can reveal an AWS accessKeyId, secretAccessKey, region, and endpoint. | ||
| CVE-2025-65518 | 0.00 | — | 0.01 | Jan 8, 2026 | Plesk Obsidian versions 8.0.1 through 18.0.73 are vulnerable to a Denial of Service (DoS) condition. The vulnerability exists in the get_password.php endpoint, where a crafted request containing a malicious payload can cause the affected web interface to continuously reload,… |
- risk 0.64cvss 9.8epss 0.00
In Plesk Obsidian 18.0.70, _isAdminPasswordValid uses an == comparison. Thus, if the correct password is "0e" followed by any digit string, then an attacker can login with any other string that evaluates to 0.0 (such as the 0e0 string). This occurs in admin/plib/LoginManager.php.
- risk 0.42cvss 6.5epss 0.00
Plesk Obsidian allows a CSRF attack, e.g., via the /api/v2/cli/commands REST API to change an Admin password. NOTE: Obsidian is a specific version of the Plesk product: version numbers were used through version 12, and then the convention was changed so that versions are…
- risk 0.40cvss 6.1epss 0.02
A Host Header Injection issue on the Login page of Plesk Obsidian through 18.0.49 allows attackers to redirect users to malicious websites via a Host request header. NOTE: the vendor's position is "the ability to use arbitrary domain names to access the panel is an intended…
- risk 0.40cvss 6.1epss 0.01
The feature to preview a website in Plesk Obsidian 18.0.0 through 18.0.32 on Linux is vulnerable to reflected XSS via the /plesk-site-preview/ PATH, aka PFSI-62467. The attacker could execute JavaScript code in the victim's browser by using the link to preview sites hosted on…
- risk 0.40cvss 6.1epss 0.01
A GET-based XSS reflected vulnerability in Plesk Obsidian 18.0.17 allows remote unauthenticated users to inject arbitrary JavaScript, HTML, or CSS via a GET parameter.
- risk 0.38cvss 5.8epss 0.00
In Plesk Obsidian 18.0.69, unauthenticated requests to /login_up.php can reveal an AWS accessKeyId, secretAccessKey, region, and endpoint.
- CVE-2025-65518Jan 8, 2026risk 0.00cvss —epss 0.01
Plesk Obsidian versions 8.0.1 through 18.0.73 are vulnerable to a Denial of Service (DoS) condition. The vulnerability exists in the get_password.php endpoint, where a crafted request containing a malicious payload can cause the affected web interface to continuously reload,…