LiveActive security incident?Get immediate response
CVE Record

CVE-2023-23896: WordPress URL Shortener by MyThemeShop Plugin <= 1.0.17 is vulnerable to Broken Access Control

Missing Authorization vulnerability in MyThemeShop URL Shortener by MyThemeShop.This issue affects URL Shortener by MyThemeShop: from n/a through 1.0.17.

MediumCVSS 5.4Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

A WordPress URL shortener plugin may let logged-in users perform actions they should not be authorized to perform. The known impact is limited integrity and availability, not data disclosure. This matters most for WordPress sites with the MyThemeShop URL Shortener plugin and untrusted or numerous user accounts.

Executive priority

Treat as a medium-priority WordPress plugin exposure. Prioritize sites with public registration, customer portals, contributor accounts, or shared editorial access. It is not supported as actively exploited by the supplied sources.

Technical view

CVE-2023-23896 is a CWE-862 missing authorization issue in MyThemeShop URL Shortener by MyThemeShop, reported as affecting versions through 1.0.17. CVSS 3.1 is 5.4: network reachable, low complexity, low privileges required, no user interaction, with low integrity and availability impact.

Likely exposure

Exposure is limited to WordPress installations running URL Shortener by MyThemeShop, package mts-url-shortener, through version 1.0.17. Risk increases where low-privileged or externally managed WordPress accounts exist.

Exploitation context

The CVE is not listed as KEV, and the supplied sources do not state active exploitation. The CVSS vector indicates exploitation requires a logged-in user but no user interaction.

Researcher notes

The source bundle has a version inconsistency: the CVE description says through 1.0.17, while the Patchstack reference title mentions 1.0.16. Use the CVE affected range unless vendor guidance clarifies otherwise.

Mitigation direction

  • Inventory WordPress sites for mts-url-shortener installations.
  • Check installed plugin versions against the affected range through 1.0.17.
  • Review MyThemeShop and Patchstack guidance for a fixed release or workaround.
  • Disable the plugin where it is not business-critical.
  • Restrict untrusted WordPress account creation and review low-privileged users.

Validation and detection

  • Confirm whether URL Shortener by MyThemeShop is installed on each WordPress site.
  • Record the exact plugin version and compare it with the CVE affected range.
  • Review WordPress users with low-privileged roles and external access.
  • In staging, verify non-administrators cannot perform URL shortener administrative actions.
  • Check logs for unexpected URL shortener changes by low-privileged users.
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-862: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2023-23896 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
5.4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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
5.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L2.82.5Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.4Medium
CVSS 3.1 vector shape for CVE-2023-23896Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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
MyThemeShopURL Shortener by MyThemeShopmts-url-shortener, n/aunaffected
Weakness

CWE details

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

CWE-862 · source CWE mapping

Missing Authorization

Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.