What is CVE-2023-43323?

CVE-2023-43323 is a medium-severity vulnerability in Moosocial, classified under CWE-15. CVSS score: 6.5/10. Published 2023-09-28.

How severe is CVE-2023-43323?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-43323 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Moosocial

CVE-2023-43323

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].

Published 2023-09-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.019 (78.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Moosocial — versions 3.1.8

Weakness classification (CWE)

CWE-15

Public proof-of-concept exploits

References

github.com/ahrixia/CVE-2023-43323 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-43323?: CVE-2023-43323 is a medium-severity vulnerability in Moosocial, classified under CWE-15. CVSS score: 6.5/10. Published 2023-09-28.
How severe is CVE-2023-43323?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-43323 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.