Microweber vulnerable to cross-site scripting (XSS)

published 2022-11-25 3 y ago modified 2026-06-17 4 mo ago also GHSA-79gx-3fm8-qxqq , EUVD-2022-7267

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

Microweber version 1.3.1 allows an unauthenticated user to perform an account takeover via an XSS on the 'select-file' parameter.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 18 mo ago (2025-04-25)

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

fluidattacks.com https://fluidattacks.com/advisories/garrix/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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	microweber/microweber	<=1.3.1	no fix listed

Affected products

n/a Microweber

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

fluidattacks.com /advisories/garrix/
exploit, third-party-advisory
github.com /microweber/microweber/
product
nvd.nist.gov /vuln/detail/CVE-2022-0698
advisory
fluidattacks.com /advisories/garrix
web
github.com /microweber/microweber
package

Sources

CVE List CVE-2022-0698
GitHub Advisory GHSA-79gx-3fm8-qxqq
NVD CVE-2022-0698

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary