CVE-2020-15883 json
MunkiReport Managed Installs module Reflected Cross-Site Scripting (XSS) vulnerability
published 2020-07-23 6 y ago modified 2026-06-17 4 mo ago also GHSA-79xr-v794-wq35 , EUVD-2022-2968
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
A Cross-Site Scripting (XSS) vulnerability in the managedinstalls module before 2.6 for MunkiReport allows remote attackers to inject arbitrary web script or HTML via the last two URL parameters (through which installed packages names and versions are reported).
Patch / fix
- packagist munkireport/managedinstalls 2.6
- managedinstalls_project managedinstalls 2.6
Exploit prediction
1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | munkireport/managedinstalls | <2.6 |
2.6 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/munkireport/managedinstalls/commit/708f6a2abc4b80a3751bcc9cf896f80d84250c55
web
-
github.com
/munkireport/munkireport-php
web, third-party-advisory
-
github.com
/munkireport/managedinstalls/releases/tag/v2.6
web, release-notes, third-party-advisory
-
github.com
/munkireport/munkireport-php/releases/tag/v5.6.3
web, release-notes, third-party-advisory
-
github.com
/munkireport/munkireport-php/wiki/20200722-Reflected-XSS-In-Managedinstalls-Module
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-15883
advisory
-
github.com
/munkireport/managedinstalls
package
Sources
- CVE List CVE-2020-15883
- GitHub Advisory GHSA-79xr-v794-wq35
- NVD CVE-2020-15883
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