Microweber Settings index.php cross site scripting

published 2025-03-11 19 mo ago modified 2026-06-17 4 mo ago also GHSA-hcgh-r5gq-6qc2 , EUVD-2025-7548

cvss: 3.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

A vulnerability was found in Microweber 2.0.19. It has been rated as problematic. This issue affects some unknown processing of the file userfiles/modules/settings/group/website_group/index.php of the component Settings Handler. The manipulation of the argument group leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-12)

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/Fewword/Poc/blob/main/microweber/mwb-poc1.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CNA	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA	3.0	3.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N
CNA	4.0	5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	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	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	microweber/microweber	<=2.0.19	no fix listed

Affected products

n/a Microweber

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-94 Improper Control of Generation of Code

References

github.com /Fewword/Poc/blob/main/microweber/mwb-poc1.md
exploit, web, third-party-advisory
vuldb.com /?id.299285
vdb-entry, technical-description, web, third-party-advisory
vuldb.com /?ctiid.299285
signature, permissions-required, web, vdb-entry
vuldb.com /?submit.512032
third-party-advisory, web, vdb-entry
nvd.nist.gov /vuln/detail/CVE-2025-2214
advisory
github.com /microweber/microweber
package

Sources

CVE List CVE-2025-2214
GitHub Advisory GHSA-hcgh-r5gq-6qc2
NVD CVE-2025-2214

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