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CVE Record

CVE-2020-23689: In YFCMF v2.3.1, there is a stored XSS vulnerability in the comments section of the news page.

In YFCMF v2.3.1, there is a stored XSS vulnerability in the comments section of the news page.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2020-23689 is a stored cross-site scripting issue in YFCMF v2.3.1 news comments. A malicious comment could be saved and later affect users who view that page. Business urgency depends on whether this CMS version is internet-facing and allows untrusted comments.

Executive priority

Prioritize as a targeted web application risk, not a confirmed mass-exploitation emergency. Escalate if YFCMF v2.3.1 is public-facing, accepts anonymous comments, or is used by privileged staff.

Technical view

The CVE describes stored XSS in the comments section of the YFCMF v2.3.1 news page. The source bundle does not provide CVSS, CWE, CPE, affected vendor metadata, exploit details, or a fixed version. KEV status is false.

Likely exposure

Likely limited to deployments running YFCMF v2.3.1 with the news comments feature reachable by untrusted users. The supplied sources do not establish broader product versions, packaged distributions, or CPE-based exposure.

Exploitation context

No cited source confirms active exploitation. The GitHub issue and CVE publication make the weakness public, but the bundle does not include exploit maturity, observed attacks, or patch availability evidence.

Researcher notes

Evidence is sparse: the CVE record names stored XSS in YFCMF v2.3.1 comments and references one GitHub issue. No CVSS vector, CWE, CPE, fixed release, or exploitation telemetry is provided in the bundle.

Mitigation direction

  • Inventory sites for YFCMF v2.3.1 and exposed news comment pages.
  • Check the upstream project issue and releases for vendor remediation guidance.
  • Temporarily restrict or disable untrusted news comments if exposure is confirmed.
  • Review and remove suspicious existing comments from affected pages.
  • Apply standard stored-XSS defenses in maintained forks: sanitization, output encoding, and content security policy.

Validation and detection

  • Confirm the deployed application and version are YFCMF v2.3.1.
  • Identify whether news comments are enabled and publicly writable.
  • Review comment-rendering code for sanitization and output encoding.
  • Inspect stored comments for unexpected script-like or HTML content.
  • Track the GitHub issue for any confirmed fix or maintainer 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

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CVE-2020-23689 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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