Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in the Plausible Analytics WordPress plugin through version 1.2.2. It requires an administrator or higher-privileged user and another user interaction, so exposure is narrower than public unauthenticated flaws. Impact is mainly script execution in the site context, with limited confidentiality and integrity risk.
Executive priority
Treat this as a moderate hygiene and account-governance issue, not an emergency internet-wide exposure. Prioritize affected public WordPress sites, environments with many administrators, and sites where compromised admin accounts would create reputational or customer trust risk.
Technical view
CVE-2022-27845 is CWE-79 authenticated stored XSS affecting PlausibleHQ Plausible Analytics for WordPress <= 1.2.2. The CVSS 3.1 vector is AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N, indicating network reachability, high privileges required, changed scope, and no availability impact.
Likely exposure
Exposure is limited to WordPress sites with the Plausible Analytics plugin installed at version 1.2.2 or earlier. The attacker must already have admin-or-higher access, making compromised administrator accounts, malicious insiders, or unsafe delegated admin access the main concern.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation is constrained by the requirement for high WordPress privileges and user interaction, but stored XSS can persist and affect later administrative or site-management sessions.
Researcher notes
Evidence supports an authenticated stored XSS classification only. The bundle does not identify a specific vulnerable parameter, proof-of-concept, active exploitation, or fixed version. Avoid assuming unauthenticated reachability or broader Plausible platform impact beyond the named WordPress plugin.
Mitigation direction
- Inventory WordPress sites using the Plausible Analytics plugin.
- Check vendor and WordPress plugin guidance for a fixed version.
- Upgrade beyond affected versions if a vendor-supported fix is available.
- Disable or remove the plugin where no supported fix is available.
- Limit administrator access to trusted, monitored accounts.
- Review plugin-managed settings for unexpected script content.
Validation and detection
- Confirm installed Plausible Analytics plugin versions across WordPress sites.
- Flag any installation running version 1.2.2 or earlier.
- Review WordPress administrator accounts for unnecessary privileges.
- Check Patchstack and WordPress plugin records for remediation status.
- Use safe authenticated scanning to confirm exposure without weaponized payloads.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-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 lookupCVE-2022-27845 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N1.72.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.8MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wordpress.org/plugins/plausible-analytics/#developersCVE reference · x_refsource_CONFIRM
- https://patchstack.com/database/vulnerability/plausible-analytics/wordpress-plausible-analytics-plugin-1-2-2-authenticated-stored-cross-site-scripting-xss-vulnerabilityCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.