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CVE Record

CVE-2022-25611: WordPress Simple Event Planner plugin <= 1.5.4 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

Authenticated Stored Cross-Site Scripting (XSS) in Simple Event Planner plugin <= 1.5.4 allows attackers with contributor or higher user roles to inject the malicious script by using vulnerable parameter &custom[add_seg][].

MediumCVSS 4.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is a medium-risk stored XSS flaw in the WordPress Simple Event Planner plugin. A logged-in user with Contributor or higher privileges can save malicious script through event planner data. The script requires another user to view affected content, so business urgency depends on site roles and editorial workflows.

Executive priority

Treat as a moderate cleanup item, not an emergency based on the provided evidence. Prioritize public WordPress sites with many contributors, weak account governance, or sensitive administrator sessions.

Technical view

CVE-2022-25611 is CWE-79 in PressTigers Simple Event Planner for WordPress versions 1.5.4 and earlier. The vulnerable parameter is custom[add_seg][]. CVSS 3.1 is 4.1: network reachable, low complexity, low privileges required, user interaction required, changed scope, and limited integrity impact.

Likely exposure

Exposure is likely limited to WordPress sites running Simple Event Planner version 1.5.4 or earlier and allowing Contributor-level or higher users to create or edit affected event content.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires an authenticated account with Contributor or higher privileges and a victim viewing stored content.

Researcher notes

Evidence identifies the vulnerable parameter and role requirement but does not provide a fix version in the supplied bundle. Avoid assuming exploit-in-the-wild status. Validation should focus on plugin version, role exposure, and stored content handling.

Mitigation direction

  • Inventory WordPress sites for the Simple Event Planner plugin.
  • Check vendor and Patchstack guidance for a fixed release or recommended action.
  • Update the plugin if a fixed version is available from the vendor.
  • Disable or remove the plugin if no acceptable fixed version is available.
  • Restrict Contributor-level and higher accounts to trusted users only.
  • Review stored event content for unexpected script-like entries.

Validation and detection

  • Confirm deployed plugin versions are not 1.5.4 or earlier.
  • Verify untrusted users cannot create or edit affected event planner content.
  • Review WordPress user roles for unnecessary Contributor or higher privileges.
  • Check recent event content changes from low-privileged accounts.
  • Use non-destructive security testing in staging to confirm output is sanitized.
Prepared
Confidence
high
Sources
4

Public sources used

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.

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cve · low confidence lookup

CVE-2022-25611 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.1 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/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
0Timeline events
0ADP providers
3Source 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
4.1CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N2.31.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.1Medium
CVSS 3.1 vector shape for CVE-2022-25611Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
PressTigersSimple Event Planner (WordPress plugin)<= 1.5.4Listed
Weakness

CWE details

CWE-79

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