Joomla Extension - acymailing.com - Unauthenticated disclosure of mailing list metadata in AcyMailing 1.0.0 - 11.1.1

published 2026-11-12 2d ago modified 2026-11-13 2d ago also EUVD-2026-124609

cvss: 6.9; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits: 0; none known

Joomla Extension - acymailing.com - Unauthenticated disclosure of mailing list metadata in AcyMailing 1.0.0 - 11.1.1 - An unauthenticated attacker can retrieve every mailing list of the site, including lists that are not publicly visible and lists restricted to an access level, together with their descriptions, access levels, owning user account and subscriber counts. The WordPress plugin is not affected.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2d ago (2026-11-12)

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-14).

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Datasolution AcyMailing extension for Joomla

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

acymailing.com /
product

Sources

CVE List CVE-2026-120468
NVD CVE-2026-120468

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