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CVE Record

CVE-2022-40435: Employee Performance Evaluation System v1.0 was discovered to contain a persistent cross-site scripting (XS...

Employee Performance Evaluation System v1.0 was discovered to contain a persistent cross-site scripting (XSS) vulnerability via adding new entries under the Departments and Designations module.

MediumCVSS 4.8Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2022-40435 is a stored cross-site scripting issue in Employee Performance Evaluation System v1.0. A privileged user can save malicious content in Departments or Designations entries, which may later run in another user’s browser. Business risk is moderate because exploitation requires high privileges and user interaction, but it can affect confidentiality and integrity.

Executive priority

Prioritize if this application is used internally with sensitive HR data or has internet-accessible administration. Otherwise handle through normal remediation because exploitation requires privileged access and user interaction.

Technical view

The CVE describes persistent XSS, CWE-79, in the Departments and Designations module when adding new entries. CVSS 3.1 is 4.8: AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. The sources do not identify a CPE, vendor-maintained patch, or broader affected version range.

Likely exposure

Exposure is limited to organizations running Employee Performance Evaluation System v1.0 or derived deployments where authenticated high-privilege users can create Department or Designation records. Internet-facing admin panels increase concern, but the sources do not confirm deployment prevalence.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. Reported exploitation requires authenticated high privileges and a victim viewing affected stored content. Treat this as a stored XSS weakness rather than confirmed mass exploitation.

Researcher notes

Evidence is sparse: the CVE names the product and modules, but the affected CPE fields are n/a and no patch details are provided. Avoid assuming other versions are affected without code comparison or vendor confirmation.

Mitigation direction

  • Check SourceCodester/project guidance for any maintained fix or updated package.
  • Restrict administrative access to trusted users and networks.
  • Sanitize and encode Department and Designation values before storage and display.
  • Review existing records for suspicious markup and remove unsafe content.
  • Add server-side validation for text fields in affected modules.

Validation and detection

  • Inventory deployments and confirm whether Employee Performance Evaluation System v1.0 is present.
  • Review Departments and Designations creation paths for output encoding.
  • Inspect stored Department and Designation records for unexpected scriptable content.
  • Test in a non-production environment using harmless markers only.
  • Confirm authenticated role requirements for adding affected entries.
Prepared
Confidence
medium
Sources
4

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-2022-40435 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
4.8 (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: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
3Timeline events
2ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: 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
4.8CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N1.72.7CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

4.8Medium
CVSS 3.1 vector shape for CVE-2022-40435Attack 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:N

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

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

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