Cross Site Scripting (XSS) vulnerability in ZoneMinder before version 1.34.21, allows…
Priority LOW 37CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
Cross Site Scripting (XSS) vulnerability in ZoneMinder before version 1.34.21, allows remote attackers execute arbitrary code, escalate privileges, and obtain sensitive information via PHP_SELF component in classic/views/download.php.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00629 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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:zoneminder:zoneminder:*:*:*:*:*:*:*:* | before 1.34.21 | Vulnerable | ZoneMinder |
- cpe:2.3:a:zoneminder:zoneminder:*:*:*:*:*:*:*:* Versions before 1.34.21 Vulnerable ·ZoneMinder
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-25730
- 2026-10-03 Alias added: GHSA-vqhg-mqww-h64x
- 2026-10-28 EPSS moved to the 50th–90th percentile
References
More Zoneminder vulnerabilities
- TI-2025-40444 ZoneMinder v1.36.34 is vulnerable to Command Injection in web/views/image.php. CVSS 3.1CRITICAL 9.8
- TI-2023-11269 ZoneMinder vulnerable to Missing Authorization CVSS 3.1CRITICAL 9.8
- TI-2022-18665 Database log access in ZoneMinder CVSS 3.1CRITICAL 9.1
- TI-2022-12167 ZoneMinder before 1.36.13 allows remote code execution via an invalid language. CVSS 3.1CRITICAL 9.8
- TI-2024-29012 ZoneMinder Time-based SQL Injection CVSS 3.1CRITICAL 9.8
- TI-2023-11270 ZoneMinder contains Local File Inclusion vulnerability CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-25730 · CVE Program
- CVE-2020-25730 · NVD
- FIRST EPSS
- GHSA-vqhg-mqww-h64x · 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