Security readout for executives and security teams
Plain-English summary
CVE-2026-24974 affects the WordPress CitiLights theme by NooTheme through version 3.7.1. A logged-in attacker could abuse unsafe data deserialization to inject PHP objects. The reported CVSS score is 8.8, indicating potential serious confidentiality, integrity, and availability impact. No cited source confirms active exploitation.
Executive priority
Treat this as a high-priority WordPress exposure if CitiLights is deployed, especially on sites with user registration or many contributors. Prioritize inventory and vendor guidance. If the theme is unused or unsupported, removal is the safest near-term risk reduction.
Technical view
The issue is CWE-502, Deserialization of Untrusted Data, in the noo-citilights WordPress theme package. The CVSS vector is AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, meaning network-accessible exploitation by a low-privileged authenticated user without user interaction. Public details do not name a fixed version or specific vulnerable endpoint.
Likely exposure
Exposure is likely limited to WordPress sites with the NooTheme CitiLights theme installed at version 3.7.1 or earlier. Risk increases where untrusted users can create or access low-privileged WordPress accounts.
Exploitation context
The CVE is not listed as KEV in the provided data, and no cited source states active exploitation. The impact of PHP object injection can depend on available code paths and gadget chains, which are not described in the source bundle.
Researcher notes
Public evidence is sparse. The CVE record and Patchstack identify PHP object injection affecting CitiLights through 3.7.1, but do not provide a fixed version, exploit details, or confirmed exploitation. The affected version metadata in the bundle is limited and should be verified against vendor guidance.
Mitigation direction
- Inventory WordPress sites for the CitiLights theme and installed version.
- Check NooTheme, Patchstack, and CVE sources for fixed-version guidance.
- If no fix is available, consider disabling or removing the theme.
- Limit untrusted low-privileged WordPress accounts where possible.
- Monitor for unexpected user, theme, plugin, or content changes.
Validation and detection
- Confirm whether CitiLights is installed on each WordPress site.
- Verify whether the installed version is 3.7.1 or earlier.
- Review WordPress users for unknown or unnecessary low-privileged accounts.
- Check site logs for unusual authenticated activity.
- Track the Patchstack entry for remediation updates.
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-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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-2026-24974 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
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.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.