CVE-2021-41952 json
Cross-site Scripting in Zenario CMS
published 2022-03-14 4 y ago modified 2026-06-17 4 mo ago also GHSA-x8wj-cqmp-3wmm , EUVD-2022-1580
- cvss
- 4.8
- 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 44%
- public exploits
- 0
- none known
Summary
Zenario CMS 9.0.54156 is vulnerable to Cross Site Scripting (XSS) via upload file to *.SVG. An attacker can send malicious files to victims and steals victim's cookie leads to account takeover. The person viewing the image of a contact can be victim of XSS.
Patch / fix
- packagist tribalsystems/zenario 9.0.55143
Exploit prediction
0.51% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/hieuminhnv/Zenario-CMS-9.0-last-version/issues/1 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/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 | tribalsystems/zenario | <9.0.55143 |
9.0.55143 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/TribalSystems/Zenario/commit/4566d8a9ac6755f098b3373252fdb17754a77007
web
-
github.com
/hieuminhnv/Zenario-CMS-9.0-last-version/issues/1
web, exploit, issue-tracking, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-41952
advisory
-
github.com
/TribalSystems/Zenario
package
-
github.com
/TribalSystems/Zenario/releases/tag/9.0.55141
web
Sources
- CVE List CVE-2021-41952
- GitHub Advisory GHSA-x8wj-cqmp-3wmm
- NVD CVE-2021-41952
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.