CVE-2021-36654 json
CMSuno 1.7 is vulnerable to an authenticated stored cross site scripting in modifying the filename parameter (tgo) while updating the theme.
published 2021-08-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23250
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 1
- Exploit-DB
Summary
CMSuno 1.7 is vulnerable to an authenticated stored cross site scripting in modifying the filename parameter (tgo) while updating the theme.
Timeline
- Published
- First public exploit (EDB-50179)
Exploit prediction
1.94% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-50179 CMSuno 1.7 - 'tgo' Stored Cross-Site Scripting (XSS) (Authenticated) webapps, 2021-08-05
- github.com https://github.com/boiteasite/cmsuno/issues/17 referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/163737/CMSuno-1.7-Cross-Site-Scripting.html 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 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/boiteasite/cmsuno/issues/17
exploit, issue-tracking, third-party-advisory
-
packetstormsecurity.com
/files/163737/CMSuno-1.7-Cross-Site-Scripting.html
exploit, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-36654
- NVD CVE-2021-36654
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