A stored cross site scripting (XSS) vulnerability in the 'Add Page' feature of BlackCat…
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
A stored cross site scripting (XSS) vulnerability in the 'Add Page' feature of BlackCat CMS 1.3.6 allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the 'Title' parameter.
Why it matters now
EPSS 0.00507 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:blackcat-cms:blackcat_cms:1.3.6:*:*:*:*:*:*:* | 1.3.6 | Vulnerable | blackcat-cms |
- cpe:2.3:a:blackcat-cms:blackcat_cms:1.3.6:*:*:*:*:*:*:* Versions 1.3.6 Vulnerable ·blackcat-cms
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-25877
- 2026-10-03 Alias added: GHSA-vfxh-2vqx-ggfv
References
More blackcat-cms Blackcat Cms vulnerabilities
- TI-2023-30175 Blackcat CMS 1.4 Remote Code Execution via Jquery Plugin Manager CVSS 4.0HIGH 8.6
- TI-2023-23624 A reflected cross-site scripting (XSS) vulnerability in /install/index.php of Black Cat… CVSS 3.1MEDIUM 6.1
- TI-2023-23623 A stored cross-site scripting (XSS) vulnerability in /settings/index.php of Black Cat CMS… CVSS 3.1MEDIUM 5.4
- TI-2023-30174 Blackcat CMS 1.4 Stored Cross-Site Scripting via Page Modification CVSS 4.0MEDIUM 5.1
- TI-2015-04260 Directory traversal vulnerability in widgets/logs.php in BlackCat CMS before 1.1.2 allows… CVSS 3.0HIGH 7.5
- TI-2020-15556 An issue was discovered in BlackCat CMS before 1.4. CVSS 3.1HIGH 8.8
Sources
- CVE-2020-25877 · CVE Program
- CVE-2020-25877 · NVD
- FIRST EPSS
- GHSA-vfxh-2vqx-ggfv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences