What is CVE-2021-32856?

CVE-2021-32856 is a medium-severity vulnerability in Microweber, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-02-21.

How severe is CVE-2021-32856?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-32856 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Microweber

CVE-2021-32856

Microweber is a drag and drop website builder and content management system. Versions 1.2.12 and prior are vulnerable to copy-paste cross-site scripting (XSS). For this particular type of XSS, the victim needs to be fooled into copying a malicious payload into the text editor. A fix was attempted in versions 1.2.9 and 1.2.12, but it is incomplete.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.4th percentile) — read the EPSS interpretation.

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.

Affected products

Microweber — versions 1.2.12

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

security-advisories@github.com (Exploit, Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-32856?: CVE-2021-32856 is a medium-severity vulnerability in Microweber, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-02-21.
How severe is CVE-2021-32856?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-32856 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.