CVE-2020-13760 json
In Joomla! before 3.9.19, missing token checks in com_postinstall lead to CSRF.
published 2020-06-02 6 y ago modified 2026-09-08 2 mo ago also BIT-joomla-2020-13760 , EUVD-2020-5978
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 54%
- public exploits
- 0
- none known
Summary
In Joomla! before 3.9.19, missing token checks in com_postinstall lead to CSRF.
Patch / fix
- bitnami joomla 3.9.19
- joomla joomla! 3.9.19
Exploit prediction
0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| OSV | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | joomla | >=3.7.0, <3.9.19 |
3.9.19 |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
developer.joomla.org
/security-centre/817-20200605-core-csrf-in-com-postinstall
vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-13760
web
Sources
- CVE List CVE-2020-13760
- NVD CVE-2020-13760
- OSV BIT-joomla-2020-13760
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