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

published 2022-01-20 4 y ago modified 2026-06-17 4 mo ago also GHSA-m8rp-q82r-c5mf , EUVD-2022-0645

cvss: 7.2; version 3.0, 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

Cross-site Scripting (XSS) - Stored in Packagist microweber/microweber prior to 1.2.11.

Patch / fix

fixed in 2 links 1

packagist microweber/microweber 1.2.11
microweber microweber/microweber 1.2.11

github.com/microweber/microweber@b64ef57 commit

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/64495d0f-d5ec-4542-9693-32372c18d030 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.2	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N
GitHub	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	microweber/microweber	<1.2.11	1.2.11

Affected products

microweber microweber/microweber

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /microweber/microweber/commit/b64ef574b82dbf89a908e1569d790c7012d1ccd7
web, patch, third-party-advisory
huntr.dev /bounties/64495d0f-d5ec-4542-9693-32372c18d030
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2022-0278
advisory
github.com /microweber/microweber
package

Sources

CVE List CVE-2022-0278
GitHub Advisory GHSA-m8rp-q82r-c5mf
NVD CVE-2022-0278

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