XSS in Tekmonks Monkshu
CVE-2021-32812
Monkshu is an enterprise application server for mobile apps (iOS and Android), responsive HTML 5 apps, and JSON API services. In version 2.90 and earlier, there is a reflected cross-site scripting vulnerability in frontend HTTP server. The attacker can send in a carefully crafted URL along with a known bug in the server which will cause a 500 error, and the response will then embed the URL provided by the hacker. The impact is moderate as the hacker must also be able to craft an HTTP request which should cause a 500 server error. None such requests are known as this point. The issue is patched in version 2.95. As a workaround, one may use a disk caching plugin.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.008 (53.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L.
Affected products
- Tekmonks Monkshu — versions 2.90
- Tekmonksgithub Monkshu — versions < 2.95
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-32812?
- CVE-2021-32812 is a medium-severity vulnerability in Tekmonks Monkshu, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2021-08-02.
- How severe is CVE-2021-32812?
- Medium severity. CVSS v3 base score is 4.6 out of 10.