Cross-site Scripting (XSS) - Reflected in microweber/microweber

published 2022-06-20 4 y ago modified 2026-06-17 4 mo ago also GHSA-27g3-58v4-fg9w , EUVD-2022-5886

cvss: 6.5; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.1%; EPSS 3.1% chance of exploitation in 30 days, percentile 88%
public exploits: 0; none known, plus a Nuclei check

Cross-site Scripting (XSS) - Reflected in GitHub repository microweber/microweber prior to 1.2.17.

Patch / fix

fixed in 1 links 2

microweber microweber/microweber 1.2.17

github.com/microweber/microweber@dbd37dd commit
huntr.dev/bounties/0142970a-5cb8-4dba-8bbc-4fa2f3bee65c advisory

Exploit prediction

3.15% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template Microweber < 1.2.17 - Cross-Site Scripting nuclei detection template
huntr.dev https://huntr.dev/bounties/0142970a-5cb8-4dba-8bbc-4fa2f3bee65c referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L
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:N/I:L/A:L

Affected packages

ecosystem	package	affected	fixed in
packagist	microweber/microweber	<=1.2.17	no fix listed

Affected products

microweber microweber/microweber

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /microweber/microweber/commit/dbd37dda91911360db23269897c737e0abae2c24
web, patch, third-party-advisory
huntr.dev /bounties/0142970a-5cb8-4dba-8bbc-4fa2f3bee65c
web, exploit, patch, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2022-2130
advisory
github.com /microweber/microweber
package

Sources

CVE List CVE-2022-2130
GitHub Advisory GHSA-27g3-58v4-fg9w
NVD CVE-2022-2130

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