CVE-2020-22841 json
Stored XSS in b2evolution CMS version 6.11.6 and prior allows an attacker to perform malicious JavaScript code execution via the plugin nam…
published 2021-02-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-15598
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.7%
- EPSS 3.7% chance of exploitation in 30 days, percentile 89%
- public exploits
- 1
- Exploit-DB
Summary
Stored XSS in b2evolution CMS version 6.11.6 and prior allows an attacker to perform malicious JavaScript code execution via the plugin name input field in the plugin module.
Patch / fix
- b2evolution b2evolution 6.11.6
Timeline
- Published
- First public exploit (EDB-49551)
Exploit prediction
3.69% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-49551 b2evolution 6.11.6 - 'plugin name' Stored XSS webapps, 2021-02-10
- packetstormsecurity.com http://packetstormsecurity.com/files/161363/b2evolution-CMS-6.11.6-Cross-Site-Scripting.html 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 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
packetstormsecurity.com
/files/161363/b2evolution-CMS-6.11.6-Cross-Site-Scripting.html
exploit, third-party-advisory, vdb-entry
-
exploit-db.com
/exploits/49551
exploit, third-party-advisory, vdb-entry
-
github.com
/b2evolution/b2evolution/issues/102
third-party-advisory
Sources
- CVE List CVE-2020-22841
- NVD CVE-2020-22841
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.