Security readout for executives and security teams
Plain-English summary
Altair theme versions through 5.2.2 reportedly allow an unauthenticated internet user to perform an action without required authorization. The available sources indicate limited integrity and availability impact, with no confidentiality impact. Public details do not identify the affected function or resulting changes, so precise business consequences remain unclear.
Executive priority
Treat this as a timely remediation item for internet-facing WordPress properties, not an emergency based on current evidence. Prioritize identifying Altair installations and obtaining authoritative fix guidance. Escalate if the theme supports business-critical transactions, unexplained changes are found, or credible exploitation evidence emerges.
Technical view
CVE-2025-53999 is classified as missing authorization (CWE-862) in ThemeGoods Altair through version 5.2.2. Its CVSS 3.1 score is 6.5: network-accessible, low complexity, no privileges or user interaction required, with low integrity and availability impact. The supplied evidence does not describe the vulnerable endpoint, request, fixed version, or underlying code path.
Likely exposure
WordPress sites with Altair version 5.2.2 or earlier may be exposed, particularly where the affected functionality is publicly reachable. The bundle lists no CPEs and contains inconsistent structured version metadata, so confirm the installed theme and applicable vendor guidance before declaring a site vulnerable.
Exploitation context
No supplied source reports active exploitation, and this CVE is not identified as being in KEV. The scoring indicates remote, unauthenticated exploitation with low complexity and no user interaction. However, the public bundle does not explain the attacker-controlled action, affected endpoint, prerequisites, or observed attacks.
Researcher notes
The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L. CWE-862 supports a missing-authorization diagnosis, but the source bundle lacks endpoint, method, capability-check, affected action, fixed-version, and exploit-telemetry details. The affected-product record also reports versions as “n/a” with a default status of unaffected, conflicting with the textual through-5.2.2 claim.
Mitigation direction
- Inventory WordPress sites for installed Altair versions, including inactive copies.
- Check ThemeGoods and Patchstack guidance for a confirmed fixed release or vendor mitigation.
- Upgrade only to a vendor-confirmed non-vulnerable version after testing.
- Disable and remove Altair where it is unnecessary and operationally safe.
- Restrict public access to affected functionality if vendor guidance identifies it.
Validation and detection
- Record each Altair installation and its exact version.
- Confirm remediation status against current ThemeGoods or Patchstack guidance.
- Verify obsolete Altair copies are removed, not merely inactive.
- Review relevant web and WordPress logs for unexplained unauthorized changes.
- Retest affected functionality without authentication after applying the vendor remedy.
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 lookupCVE-2025-53999 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
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.
SSVC decision data
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:N/UI:N/S:U/C:N/I:L/A:L3.92.5PatchstackVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://patchstack.com/database/wordpress/theme/altair/vulnerability/wordpress-altair-theme-5-2-2-broken-access-control-vulnerability?_s_id=cveCVE reference, Patchstack · vdb-entry
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.