XSS in Zabbix
CVE-2020-15803
Zabbix before 3.0.32rc1, 4.x before 4.0.22rc1, 4.1.x through 4.4.x before 4.4.10rc1, and 5.x before 5.0.2rc1 allows stored XSS in the URL Widget.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.323 (98.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.323 · newest: 0.323 · change: 0.000
Affected products
- Zabbix — versions 3.0.32, 4.0.22, 4.4.10
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 31, 32
- openSUSE Backports — versions sle-15
- openSUSE Leap — versions 15.1, 15.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.zabbix.com/browse/ZBX-18057 (Patch, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2020/08/msg00007.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00007.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/04/msg00018.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/04/msg00013.html (mailing-list)
Frequently asked questions
- What is CVE-2020-15803?
- CVE-2020-15803 is a medium-severity vulnerability in Zabbix, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-07-17.
- How severe is CVE-2020-15803?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-15803 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.