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CVE Record

CVE-2025-23826: WordPress Stop Comment Spam plugin <= 0.5.3 - CSRF to Stored XSS vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in pedjas Stop Comment Spam stop-comment-spam allows Stored XSS.This issue affects Stop Comment Spam: from n/a through <= 0.5.3.

HighCVSS 7.1Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2025-23826 is a high-severity stored cross-site scripting issue in the WordPress Stop Comment Spam plugin through version 0.5.3. A successful attack could let malicious script persist in a site context after user interaction, creating risk to site integrity, visitor trust, and administrative sessions.

Executive priority

Prioritize this for WordPress properties that use the plugin, especially public or business-critical sites. It is high severity, but current sources do not support emergency treatment based on known active exploitation.

Technical view

The CVE describes CWE-79 improper output neutralization in pedjas Stop Comment Spam, package stop-comment-spam, affecting versions through 0.5.3. Patchstack labels it CSRF to stored XSS. CVSS 3.1 is 7.1 with network attack vector, low complexity, no privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to WordPress sites with the Stop Comment Spam plugin installed at version 0.5.3 or earlier. The provided sources do not identify affected endpoints, default install counts, or whether a fixed version exists.

Exploitation context

The source bundle does not show CISA KEV listing or cite active exploitation. Exploitation requires user interaction, and Patchstack characterizes the path as CSRF to stored XSS, but the public bundle does not provide reproduction details.

Researcher notes

Evidence is sparse. The bundle confirms stored XSS, CSRF-to-XSS characterization, CVSS vector, and affected version range, but not the vulnerable parameter, endpoint, exploit maturity, or fixed release. Avoid assuming broader WordPress impact beyond this plugin.

Mitigation direction

  • Inventory WordPress sites for the Stop Comment Spam plugin and version.
  • Treat version 0.5.3 or earlier as vulnerable until vendor guidance says otherwise.
  • Check Patchstack and vendor channels for a fixed version or official mitigation.
  • Disable or remove the plugin where business impact is acceptable.
  • Restrict WordPress admin access and reinforce anti-phishing controls for privileged users.

Validation and detection

  • Confirm whether stop-comment-spam is installed on each WordPress site.
  • Record installed plugin version and compare it with the affected range through 0.5.3.
  • Review vendor or Patchstack advisories for remediation status before closure.
  • Inspect pages and plugin-managed content for unexpected stored script or HTML.
  • Verify compensating controls without attempting offensive reproduction.
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-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2025-23826 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
7.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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: noTechnical 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
7.1CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L2.83.7Patchstack

Vulnerability scoring details

Base CVSS 3.1 score

7.1High
CVSS 3.1 vector shape for CVE-2025-23826Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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
pedjasStop Comment Spamstop-comment-spam, 0unaffected
Weakness

CWE details

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

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.