CVE-2017-5215 json
The Codextrous B2J Contact (aka b2j_contact) extension before 2.1.13 for Joomla!
published 2017-05-17 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14321
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.6%
- EPSS 3.6% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
The Codextrous B2J Contact (aka b2j_contact) extension before 2.1.13 for Joomla! allows a rename attack that bypasses a "safe file extension" protection mechanism, leading to remote code execution.
Exploit prediction
3.57% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- navixia.com https://navixia.com/storage/app/media/uploaded-files/CVE/cve-2017-521415.txt referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
navixia.com
/storage/app/media/uploaded-files/CVE/cve-2017-521415.txt
exploit, third-party-advisory
Sources
- CVE List CVE-2017-5215
- NVD CVE-2017-5215
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.