CVE-2021-41948 json
Subrion CMS Cross-site Scripting (XSS) vulnerability in the `contact us` plugin
published 2022-04-29 4 y ago modified 2026-06-17 4 mo ago also GHSA-jv64-2m3x-6v4q , EUVD-2022-1776
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
A cross-site scripting (XSS) vulnerability exists in the "contact us" plugin for Subrion CMS <= 4.2.1 version via "List of subjects".
Exploit prediction
0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/intelliants/subrion-plugin-contact_us/issues/8 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| 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 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | intelliants/subrion | <=4.2.1 |
no fix listed |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/intelliants/subrion-plugin-contact_us/issues/8
web, exploit, issue-tracking, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-41948
advisory
-
github.com
/intelliants/subrion-plugin-contact_us
web
Sources
- CVE List CVE-2021-41948
- GitHub Advisory GHSA-jv64-2m3x-6v4q
- NVD CVE-2021-41948
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