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CVE Record

CVE-2025-15688: WordPress Capella theme <= 2.5.5 - SQL Injection vulnerability

Unauthenticated SQL Injection in Capella <= 2.5.5 versions.

CriticalCVSS 9.3Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

Capella theme versions through 2.5.5 reportedly contain an SQL injection flaw reachable without authentication. An internet attacker could potentially access sensitive database information and disrupt service. The supplied CVSS score is 9.3, making exposed WordPress sites an urgent investigation priority.

Executive priority

Prioritize same-day identification of affected internet-facing sites. Escalate confirmed deployments for urgent containment and vendor-guided remediation. There is no supplied evidence of active exploitation, but unauthenticated reachability and potential database confidentiality loss justify critical handling.

Technical view

CVE-2025-15688 is classified as CWE-89. Its CVSS vector indicates network access, low attack complexity, no privileges, no user interaction, changed scope, high confidentiality impact, no integrity impact, and low availability impact. The sources do not identify the vulnerable parameter, root cause, fixed version, or technical remediation.

Likely exposure

Likely exposure is limited to WordPress deployments using Capella version 2.5.5 or earlier, particularly publicly reachable sites. The supplied affected-product record also says versions are “n/a” and default status is “unaffected,” conflicting with the title and description; confirm actual installations and vendor guidance.

Exploitation context

The supplied bundle does not identify public exploit code, observed attacks, or active exploitation, and KEV is false. The vulnerability is nevertheless remotely reachable without authentication according to the description and CVSS vector. Treat exposure as serious, but do not represent exploitation as confirmed.

Researcher notes

Important technical evidence is incomplete. The bundle asserts Capella through 2.5.5 is vulnerable, but its structured affected entry lists versions as “n/a” with default status “unaffected.” No vulnerable endpoint, parameter, patch version, advisory detail, or exploitation telemetry is supplied. Validate boundaries directly with current vendor and Patchstack information.

Mitigation direction

  • Inventory WordPress sites for Capella and record each installed version.
  • Check ThemeGoods and Patchstack guidance for a vendor-confirmed fixed release or mitigation.
  • Apply a vendor-confirmed fixed version when available, following normal backup and rollback procedures.
  • Restrict public access to affected sites if vendor remediation is unavailable and operationally feasible.
  • Monitor web, application, and database logs for suspicious activity.

Validation and detection

  • Confirm whether Capella 2.5.5 or earlier exists on each WordPress deployment.
  • Verify whether affected deployments are reachable from untrusted networks.
  • Confirm the installed version after remediation against current vendor guidance.
  • Review historical web and database logs for unusual queries, errors, or data access.
  • Reassess exposure when the vendor publishes technical details or a fixed version.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

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 lookup
description · low confidence lookup

Database 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 lookup
cve · low confidence lookup

CVE-2025-15688 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

Official CVE source material

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.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
9.3CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L3.94.7Patchstack

Vulnerability scoring details

Base CVSS 3.1 score

9.3Critical
CVSS 3.1 vector shape for CVE-2025-15688Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
ThemeGoodsCapellan/aunaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-89 · source CWE mapping

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.