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CVE Record

CVE-2022-45358: WordPress Activello Theme <= 1.4.4 is vulnerable to Cross Site Scripting (XSS)

Auth. (subscriber+) Reflected Cross-Site Scripting (XSS) vulnerability in Silkalns Activello theme <= 1.4.4 versions.

MediumCVSS 5.4Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

A logged-in WordPress subscriber could trigger reflected cross-site scripting in the Activello theme up to version 1.4.4. It requires user interaction and could expose or alter browser-session data. The provided sources do not show active exploitation or a named patch.

Executive priority

Treat this as a moderate-priority web risk. It is not listed as actively exploited in the provided sources, but affected public WordPress sites with subscriber access should be remediated during normal vulnerability maintenance.

Technical view

CWE-79 reflected XSS affects Silkalns Activello WordPress theme <=1.4.4. CVSS 3.1 is 5.4: network reachable, low complexity, low privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.

Likely exposure

Exposure is limited to WordPress sites running Activello theme version 1.4.4 or earlier, especially sites with subscriber registration or untrusted subscriber accounts. The source bundle provides no CPEs and marks other default status as unaffected.

Exploitation context

The source bundle says KEV is false and provides no cited evidence of exploitation in the wild. Exploitation requires an authenticated subscriber-level user and victim interaction, which lowers urgency compared with unauthenticated or automated XSS.

Researcher notes

Evidence is sparse beyond the CVE metadata and Patchstack entry. Do not assume affected code paths, payloads, exploit maturity, or a fixed version from the bundle alone. Validate theme version and authentication exposure before prioritizing.

Mitigation direction

  • Inventory WordPress sites using the Activello theme.
  • Identify any Activello installations at version 1.4.4 or earlier.
  • Check Patchstack and vendor guidance for a supported fixed version or workaround.
  • Apply the vendor-supported update if available.
  • Limit untrusted subscriber accounts until remediation is complete.

Validation and detection

  • Confirm the active WordPress theme name is Activello.
  • Record the installed Activello version for each site.
  • Review whether public subscriber registration is enabled.
  • Check user roles for untrusted subscriber-level accounts.
  • Verify remediation against vendor or Patchstack guidance.
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-2022-45358 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:R/S:C/C:L/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
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:R/S:C/C:L/I:L/A:N2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.4Medium
CVSS 3.1 vector shape for CVE-2022-45358Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Products and packages named in the record

VendorProductVersion / packageStatus
SilkalnsActivelloactivello, n/aunaffected
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.