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CVE Record

CVE-2025-57890: WordPress Sessions Plugin <= 3.2.0 - Cross Site Scripting (XSS) Vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Pierre Lannoy Sessions sessions allows Stored XSS.This issue affects Sessions: from n/a through <= 3.2.0.

MediumCVSS 5.9Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This CVE is a stored cross-site scripting issue in the WordPress Sessions plugin through version 3.2.0. An attacker would need high privileges and another user to interact with affected content, so urgency is moderate, not emergency-level. Impact is limited but could affect confidentiality, integrity, and availability in a WordPress admin context.

Executive priority

Treat this as a normal-priority WordPress plugin remediation item. It is not supported by evidence of active exploitation, but affected sites should be inventoried and remediated during the next security maintenance window.

Technical view

CVE-2025-57890 is CWE-79 stored XSS in Pierre Lannoy Sessions for WordPress through 3.2.0. CVSS 3.1 is 5.9 with AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L, indicating network reachability, low complexity, high privileges required, user interaction required, changed scope, and low CIA impact.

Likely exposure

Exposure is likely limited to WordPress sites that have the Sessions plugin installed at version 3.2.0 or earlier. The source bundle does not identify affected configurations beyond the plugin and version range.

Exploitation context

The CVE is not listed as KEV, and the supplied sources do not report active exploitation. The scoring implies exploitation requires an already highly privileged user and user interaction, reducing broad automated attack likelihood.

Researcher notes

Available evidence is sparse. The CVE identifies stored XSS and the version range, while CVSS clarifies privilege and interaction requirements. The supplied bundle does not include proof-of-concept details, exploit telemetry, or a named fixed version.

Mitigation direction

  • Inventory WordPress sites for the Sessions plugin at version 3.2.0 or earlier.
  • Check vendor or Patchstack guidance for a fixed version or official remediation.
  • Update the plugin if a fixed release is available from trusted sources.
  • Restrict high-privilege WordPress access to necessary administrators only.
  • Disable or remove the plugin where it is not operationally required.

Validation and detection

  • Confirm whether the plugin slug or package name is present on each WordPress site.
  • Record installed Sessions plugin versions and flag 3.2.0 or earlier.
  • Review administrator accounts for unnecessary high-privilege access.
  • Check vendor, CVE, and Patchstack records for updated remediation details.
  • Monitor WordPress security logs for suspicious administrative content changes.
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-2025-57890 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
Medium
CVSS
5.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/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
5.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L1.73.7Patchstack

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2025-57890Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/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
Pierre LannoySessionssessions, 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.