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CVE Record

CVE-2022-34768: Synel - eHarmony Stored XSS

insert HTML / js code inside input how to get to the vulnerable input : Workers > worker nickname > inject in this input the code.

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Synel eHarmony v11 has a stored cross-site scripting flaw in a worker nickname field. A logged-in user could save unwanted HTML or JavaScript that later runs in the application context, creating risk to user sessions and displayed data.

Executive priority

Treat this as a moderate application-security issue. It does not show confirmed exploitation in the supplied evidence, but stored XSS can affect trusted users and should be remediated during the next security maintenance cycle.

Technical view

CVE-2022-34768 is CWE-79 stored XSS in Synel eHarmony v11. The source description identifies the vulnerable area as Workers > worker nickname. CVSS 3.1 is 6.5 with low attack complexity, low privileges required, changed scope, and limited confidentiality, integrity, and availability impact.

Likely exposure

Exposure is likely limited to organizations running Synel eHarmony v11 where authenticated users can modify worker nickname data. The CVSS vector uses adjacent attack vector, so public internet exposure is not established by the supplied sources.

Exploitation context

The bundle does not cite active exploitation, and KEV is false. The public description states the vulnerable input location, but provides no exploit evidence, observed campaigns, patch version, or vendor remediation details.

Researcher notes

Evidence is thin: the source bundle names product, version, CWE, CVSS vector, and vulnerable field path only. No patch, exploit status, affected build range beyond v11, or deployment prerequisites are provided, so validation should stay environment-specific.

Mitigation direction

  • Check Synel and the government advisory for supported fixes or vendor guidance.
  • Limit access to eHarmony v11 to trusted networks and authenticated business users.
  • Review and remove unexpected HTML or script-like content from worker nickname records.
  • Apply output encoding and input validation if maintaining custom eHarmony components.
  • Use web controls such as CSP as compensating protection where feasible.

Validation and detection

  • Inventory Synel eHarmony deployments and confirm whether v11 is in use.
  • Identify which roles can edit worker nickname fields.
  • Review stored worker nickname values for unexpected markup or script-like content.
  • Test remediation in a non-production environment using a harmless XSS marker.
  • Confirm logs show no suspicious edits to worker profile data.
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-2022-34768 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
6.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/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
3Timeline events
2ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: 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
6.5CVSS 3.1MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L2.33.7INCD

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2022-34768Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/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

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
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SyneleHarmonyv11Listed
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.