CVE-2023-3142 json
Cross-site Scripting (XSS) - Stored in microweber/microweber
published 2023-06-07 3 y ago modified 2026-06-17 4 mo ago also GHSA-fqcv-rfp6-wv92 , EUVD-2023-1789
- cvss
- 3.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
Cross-site Scripting (XSS) - Stored in GitHub repository microweber/microweber prior to 2.0.
Patch / fix
- microweber microweber/microweber 2.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 22 mo ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/d00686b0-f89a-4e14-98d7-b8dd3f92a6e5 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 3.8 | CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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 | <=1.3.4 |
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/42efa981a2239d042d910069952d6276497bdcf1
web, patch
-
huntr.dev
/bounties/d00686b0-f89a-4e14-98d7-b8dd3f92a6e5
web, exploit, patch, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-3142
advisory
-
github.com
/microweber/microweber
package
Sources
- CVE List CVE-2023-3142
- GitHub Advisory GHSA-fqcv-rfp6-wv92
- NVD CVE-2023-3142
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.