PatchTheCVECVE-2019-20377: TopList before 2019-09-03 allows XSS via a title.
34
Routine
MEDIUM 6.1UPGRADE
CVE-2019-20377 is a medium-severity flaw (CVSS 6.1) affecting toplist. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
TopList before 2019-09-03 allows XSS via a title.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 49%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2020-01-11 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
tophub toplist UPGRADE
Affected: < 2019-09-03
Fixed in: 2019-09-03
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy toplist || rpm -q toplist || toplist --version
2. UPGRADE to 2019-09-03 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade toplist
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade toplist
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-20377?
toplist: upgrade to 2019-09-03. Exact commands for each OS are on this page.
Is CVE-2019-20377 being exploited?
CVE-2019-20377 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-20377 affect?
CVE-2019-20377 affects toplist. Severity is medium (CVSS 6.1). TopList before 2019-09-03 allows XSS via a title.
How urgent is CVE-2019-20377?
Priority 34/100. No elevated risk signals yet.