Security readout for executives and security teams
Plain-English summary
CVE-2026-3523 affects the WordPress Apocalypse Meow plugin through version 22.1.0. An attacker already logged in as an Administrator could manipulate a plugin request to read sensitive database information. This is not a public unauthenticated website takeover issue, but it increases the damage from a compromised or malicious administrator account.
Executive priority
Treat as a targeted cleanup and hardening task, not an emergency internet-wide crisis. Prioritize affected sites that have many administrators, weak account controls, sensitive database content, or signs of administrator compromise.
Technical view
The issue is authenticated SQL injection in the plugin’s ajax.php handling of the type parameter. Sources describe flawed validation using && instead of ||, combined with stripslashes_deep() removing WordPress magic-quote protection before SQL construction. CVSS is 4.9, with network access, low complexity, high privileges required, no user interaction, and high confidentiality impact.
Likely exposure
Exposure is limited to WordPress sites running Apocalypse Meow up to and including 22.1.0, where an attacker has Administrator-level access or higher. Sites without the plugin, or without compromised high-privilege accounts, are not directly exposed based on the provided sources.
Exploitation context
No source in the bundle reports active exploitation, and the CVE is not marked KEV. Exploitation requires authenticated Administrator-level access, but could enable database information disclosure if such access is compromised, shared, or misused.
Researcher notes
The provided record names Apocalypse Meow <=22.1.0 and references ajax.php lines for validation, escaping behavior, and SQL construction. A WordPress Trac changeset is referenced, but the bundle does not clearly state a fixed version. Avoid assuming exploit availability or active abuse without additional evidence.
Mitigation direction
- Inventory WordPress sites for Apocalypse Meow installations and versions.
- Prioritize sites running Apocalypse Meow 22.1.0 or earlier.
- Check vendor and WordPress plugin guidance for a fixed release or official remediation.
- Restrict Administrator access to trusted users only.
- Review and remove unused or suspicious administrator accounts.
Validation and detection
- Confirm whether Apocalypse Meow is installed on each WordPress site.
- Record installed plugin versions and flag 22.1.0 or earlier.
- Review Administrator account activity for unexpected access.
- Check web logs for unusual authenticated plugin AJAX requests involving the type parameter.
- Verify remediation against vendor or WordPress plugin repository guidance.
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-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-3523 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
- 4.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/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:H/UI:N/S:U/C:H/I:N/A:N1.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a1af9757-23e9-41d2-bbcd-15b0610b6538?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/apocalypse-meow/trunk/lib/blobfolio/wp/meow/ajax.php#L298CVE reference
- https://plugins.trac.wordpress.org/browser/apocalypse-meow/tags/22.1.0/lib/blobfolio/wp/meow/ajax.php#L298CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3448958%40apocalypse-meow&new=3448958%40apocalypse-meow&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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.