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CVE Record

CVE-2025-55715: WordPress Otter - Gutenberg Block Plugin <= 3.1.0 - Sensitive Data Exposure Vulnerability

Insertion of Sensitive Information Into Sent Data vulnerability in Themeisle Otter - Gutenberg Block otter-blocks allows Retrieve Embedded Sensitive Data.This issue affects Otter - Gutenberg Block: from n/a through <= 3.1.0.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE concerns a WordPress block plugin that may expose sensitive information in sent or rendered data. For an affected public site, an unauthenticated remote party could potentially read confidential information without user interaction. The source bundle does not identify a specific fixed version.

Executive priority

Treat as high priority for public WordPress estates because the impact is confidentiality-only but potentially unauthenticated. Prioritize asset discovery, vendor guidance review, and removal or upgrade decisions for sites running the affected plugin.

Technical view

CVE-2025-55715 is CWE-201 in Themeisle Otter - Gutenberg Block, package otter-blocks, affecting versions through 3.1.0 per the description. CVSS 3.1 is 7.5: network, low complexity, no privileges, no user interaction, high confidentiality impact, no integrity or availability impact.

Likely exposure

Exposure is likely limited to WordPress sites using Themeisle Otter - Gutenberg Block through version 3.1.0. Sites not running otter-blocks are not indicated as affected. The affected metadata is incomplete, so confirm plugin presence and version directly.

Exploitation context

The source bundle marks KEV false and provides no evidence of active exploitation. The CVSS vector indicates a remotely reachable, unauthenticated confidentiality issue, but the provided sources do not describe exploit mechanics or observed attacks.

Researcher notes

Sources provide CVSS, CWE, affected product, and a Patchstack entry, but no patch version, exploit status, or detailed data paths. Avoid assuming specific secrets or endpoints. Validation should focus on inventory and evidence of sensitive data exposure.

Mitigation direction

  • Inventory WordPress sites for the otter-blocks plugin and installed version.
  • Check Themeisle and Patchstack guidance for a vendor-confirmed fixed release.
  • If no fixed release is available, consider disabling or removing the plugin.
  • Review affected content for exposed secrets, tokens, or private configuration.
  • Rotate any credentials confirmed exposed through plugin-rendered or sent data.

Validation and detection

  • Confirm whether each WordPress site runs otter-blocks version 3.1.0 or earlier.
  • Review public pages and responses using Otter blocks for unintended sensitive data.
  • Check caches, CDN content, and page exports for previously exposed sensitive values.
  • Review access logs for anonymous requests to affected pages during exposure windows.
  • Document compensating controls if the plugin cannot be immediately removed.
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-201: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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
cve · low confidence lookup

CVE-2025-55715 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
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

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

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
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Patchstack

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2025-55715Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
ThemeisleOtter - Gutenberg Blockotter-blocks, 0unaffected
Weakness

CWE details

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

CWE-201 · source CWE mapping

Insertion of Sensitive Information Into Sent Data

Insertion of Sensitive Information Into Sent Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.