Security readout for executives and security teams
Plain-English summary
A logged-in low-privilege WordPress user could use WP Activity Log up to version 4.5.0 to list site user accounts, including IDs, usernames, and emails. This is not a site takeover issue by itself, but it can expose sensitive account information and support phishing or credential attacks.
Executive priority
Treat this as a moderate-priority privacy and reconnaissance issue. Prioritize sites with open registration, many low-privilege users, or sensitive staff/customer email addresses.
Technical view
CVE-2023-2261 is a CWE-862 missing authorization check in WP Activity Log's handle_ajax_call function. Authenticated attackers with subscriber-level access or higher can enumerate user account data. The CVSS 3.1 score is 4.3, reflecting low confidentiality impact with no integrity or availability impact stated.
Likely exposure
Exposure is limited to WordPress sites running WP Activity Log versions up to and including 4.5.0, where an attacker already has an authenticated account with subscriber privileges or higher.
Exploitation context
The source bundle does not identify active exploitation, and CISA KEV is false. The practical risk is account discovery by already-authenticated users, which can aid follow-on social engineering, password attacks, or privacy exposure.
Researcher notes
The affected behavior is tied to a missing capability check in handle_ajax_call. Evidence supports authenticated user enumeration only; it does not support unauthenticated exploitation, code execution, privilege escalation, or active exploitation claims.
Mitigation direction
- Inventory WordPress sites for WP Activity Log versions up to 4.5.0.
- Check vendor guidance and update to a fixed, supported plugin release.
- Remove or restrict untrusted subscriber-level accounts where possible.
- Review exposed account data handling and user privacy obligations.
- Monitor for unusual authenticated activity involving the affected plugin.
Validation and detection
- Confirm whether WP Activity Log is installed and record its version.
- Verify the site is no longer running version 4.5.0 or earlier.
- Confirm low-privilege users cannot access user listing data through the affected path.
- Review WordPress users for unnecessary subscriber or higher accounts.
- Check logs for suspicious authenticated enumeration during the exposure window.
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-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-2261 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/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:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f51f0919-498e-4f86-a933-1b7f2c4a10a4?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/wp-security-audit-log/trunk/vendor/wpwhitesecurity/select2-wpwhitesecurity/load.php#L70CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2911239%40wp-security-audit-log%2Ftrunk&old=2897171%40wp-security-audit-log%2Ftrunk&sfp_email=&sfph_mail=CVE reference
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.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.