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CVE Record

CVE-2023-41867: WordPress AcyMailing SMTP Newsletter Plugin <= 8.6.2 is vulnerable to Cross Site Scripting (XSS)

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in AcyMailing Newsletter Team AcyMailing plugin <= 8.6.2 versions.

HighCVSS 7.1Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This vulnerability affects WordPress sites using AcyMailing plugin versions up to 8.6.2. An unauthenticated attacker could craft a reflected cross-site scripting attack that runs in a victim’s browser after user interaction. The main business risk is account or session impact, content manipulation, and reputational harm on affected sites.

Executive priority

Prioritize remediation for internet-facing WordPress sites using AcyMailing. This is high severity but not confirmed actively exploited in the provided sources. The immediate ask is inventory, version confirmation, and vendor-guided update or temporary removal.

Technical view

CVE-2023-41867 is a CWE-79 unauthenticated reflected XSS in AcyMailing for WordPress <= 8.6.2. CVSS 3.1 is 7.1 with network attack vector, low complexity, no privileges required, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Exposure is most likely on public WordPress installations running the AcyMailing plugin at version 8.6.2 or earlier. The source bundle does not provide CPEs, exact vulnerable parameters, or a confirmed fixed version.

Exploitation context

The source bundle does not show CISA KEV listing or any cited confirmation of active exploitation. Exploitation requires user interaction, but the issue is unauthenticated and remotely reachable where the vulnerable plugin is exposed.

Researcher notes

The record identifies reflected XSS with CVSS scope changed and UI required. Evidence is limited: no exploit details, fixed version, vulnerable endpoint, or CPEs are included in the source bundle. Avoid assuming broader AcyMailing products beyond the WordPress plugin reference.

Mitigation direction

  • Inventory WordPress sites for the AcyMailing plugin and record exact versions.
  • Treat AcyMailing <= 8.6.2 as vulnerable until vendor guidance says otherwise.
  • Check AcyMailing or Patchstack guidance for the fixed version before updating.
  • Temporarily disable or remove the plugin where business impact permits.
  • Use WAF and security monitoring as compensating controls, not replacements for patching.

Validation and detection

  • Confirm whether each WordPress site has the AcyMailing plugin installed.
  • Verify installed plugin versions against the <= 8.6.2 affected range.
  • Review vendor and Patchstack advisories for remediation status and version guidance.
  • Check web, WAF, and application logs for unusual reflected-input activity.
  • Retest after remediation to confirm vulnerable versions are no longer deployed.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-41867 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.1CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L2.83.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.1High
CVSS 3.1 vector shape for CVE-2023-41867Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AcyMailing Newsletter TeamAcyMailingacymailing, n/aunaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.