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

published 2022-02-08 4 y ago modified 2026-06-17 4 mo ago also GHSA-jjvm-3mfq-7gc7 , EUVD-2022-1076

cvss: 7.7; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

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

Patch / fix

fixed in 1 links 2

microweber microweber/microweber 1.2.11

github.com/microweber/microweber@05d55f2 commit
huntr.dev/bounties/0a5ec24c-343e-4cc4-b27b-2beb19a1c35f advisory

Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/0a5ec24c-343e-4cc4-b27b-2beb19a1c35f referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.7	CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
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	<=1.2.10	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/05d55f2befb1b25375ca5371875ff535d6cc5f70
web, patch, third-party-advisory
huntr.dev /bounties/0a5ec24c-343e-4cc4-b27b-2beb19a1c35f
web, exploit, patch, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2022-0506
advisory
github.com /microweber/microweber
package

Sources

CVE List CVE-2022-0506
GitHub Advisory GHSA-jjvm-3mfq-7gc7
NVD CVE-2022-0506

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