Description
As an unauthenticated remote user, visit "http://<CACTI_SERVER>/auth_changepassword.php?ref=<script>alert(1)</script>" to successfully execute the JavaScript payload present in the "ref" URL parameter.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Cacti | 0.8.7g | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | cacti | 0.8.7i-1 | — |
| Debian 13 | cacti | 0.8.7i-1 | — |
| Debian 12 | cacti | 0.8.7i-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | cacti | No fix yet | — |
| Ubuntu 26.04 LTS | cacti | No fix yet | — |
| Ubuntu 25.10 | cacti | No fix yet | — |
| Ubuntu 24.04 LTS | cacti | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | cacti | No fix yet | — |
| Ubuntu Pro 20.04 LTS | cacti | No fix yet | — |
| Ubuntu Pro 18.04 LTS | cacti | No fix yet | — |
| Ubuntu Pro 16.04 LTS | cacti | No fix yet | — |
| Ubuntu Pro 14.04 LTS | cacti | No fix yet | — |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Cacti - Cross-Site Scripting http/cves/2021/CVE-2021-26247.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.