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Fencer Vulns
medium 6.5

CVE-2023-43323 json

mooSocial 3.1.8 is vulnerable to external service interaction on post function.

published 2023-09-28 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47742

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known, plus a Nuclei check

Summary

mooSocial 3.1.8 is vulnerable to external service interaction on post function. When executed, the server sends a HTTP and DNS request to external server. The Parameters effected are multiple - messageText, data[wall_photo], data[userShareVideo] and data[userShareLink].

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

2.05% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template mooSocial 3.1.8 - External Service Interaction nuclei detection template
  • github.com https://github.com/ahrixia/CVE-2023-43323 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Classification

Weakness
  • CWE-15 External Control of System or Configuration Setting

References

Sources

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.