Vulnerability details
CVE-2026-77807
acyba AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress
AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress <= 11.0.4 - Unauthenticated Arbitrary File Read via 'user[name]' Parameter
CVSS 3.1
7.5High
Official description
The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 11.0.4 via the `user[name]` Parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires "Embed images" option in AcyMailing configuration being enabled.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.5High | 3.1 | CVEProject cvelistV5 (CNA) (Wordfence) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| acyba | AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress | v ≤ 11.0.4 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-09-11
- Last updated
- 2026-09-12
- State
- Published
- Assigner (CNA)
- Wordfence
Exploit prediction (EPSS)
0.92%
Probability of exploitation in 30 days
60.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')