CVE-2018-11686 in the critical feed json
The Publish Service in FlexPaper (later renamed FlowPaper) 2.3.6 allows remote code execution via setup.php and change_config.php.
published 2019-07-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-3706
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 52.5%
- EPSS 52.5% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Exploit-DB, plus a Nuclei check
Summary
The Publish Service in FlexPaper (later renamed FlowPaper) 2.3.6 allows remote code execution via setup.php and change_config.php.
Patch / fix
Timeline
- First public exploit (EDB-46528)
- Published
Exploit prediction
52.54% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-46528 Flexpaper PHP Publish Service 2.3.6 - Remote Code Execution webapps, 2019-03-11
- Nuclei template FlexPaper/FlowPaper 2.3.6 - Remote Code Execution nuclei detection template
- redtimmysec.wordpress.com https://redtimmysec.wordpress.com/2019/03/07/flexpaper-remote-code-execution 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
-
redtimmysec.wordpress.com
/2019/03/07/flexpaper-remote-code-execution
exploit, patch, third-party-advisory
-
flowpaper.com
/blog/
release-notes, third-party-advisory
Sources
- CVE List CVE-2018-11686
- NVD CVE-2018-11686
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.