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CVE Record

CVE-2023-25059: WordPress avalex Plugin <= 3.0.3 is vulnerable to Cross Site Scripting (XSS)

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in avalex GmbH avalex – Automatically secure legal texts plugin <= 3.0.3 versions.

MediumCVSS 5.9Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2023-25059 is a stored cross-site scripting issue in the avalex WordPress plugin up to 3.0.3. It requires administrator-level access, so it is not an unauthenticated takeover bug. Business risk is mainly from compromised admins, shared admin environments, or chained attacks affecting other users.

Executive priority

Treat as a medium-priority remediation item. It is not evidenced as actively exploited, but affected public WordPress sites should be inventoried and updated or mitigated during the next maintenance window.

Technical view

The sources describe authenticated admin+ stored XSS in avalex, mapped to CWE-79 with CVSS 3.1 score 5.9. The vector shows network reachability, low complexity, high privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Exposure appears limited to WordPress sites using the avalex - Automatically secure legal texts plugin at version 3.0.3 or earlier. The provided affected-version metadata is incomplete, so confirm installed plugin versions directly.

Exploitation context

The bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires authenticated administrator-level privileges and user interaction, which reduces broad internet-scale urgency but still matters where admin accounts are shared, compromised, or delegated.

Researcher notes

Version evidence is partly inconsistent: the narrative says <= 3.0.3, while affected version metadata is sparse. Validation should focus on installed plugin presence, version, available vendor remediation, and whether administrator access boundaries are trustworthy.

Mitigation direction

  • Inventory WordPress sites for the avalex plugin and installed version.
  • Check avalex, WordPress, or Patchstack guidance for a fixed release.
  • Update the plugin if vendor guidance identifies a patched version.
  • Disable or remove the plugin where it is unnecessary or cannot be safely updated.
  • Review administrator accounts for least privilege and suspicious access.

Validation and detection

  • Confirm whether avalex is installed on each WordPress site.
  • Record the installed plugin version and compare it with <= 3.0.3 exposure.
  • Check security sources for vendor remediation or patch availability.
  • Review recent admin activity for unexpected plugin configuration changes.
  • Verify no untrusted users hold administrator-level WordPress access.
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-2023-25059 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
0Timeline events
0ADP providers
2Source links

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:L1.73.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2023-25059Attack 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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
avalex GmbHavalex – Automatically secure legal textsavalex, n/aunaffected
Weakness

CWE details

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