Security readout for executives and security teams
Plain-English summary
KandNconcepts Club CMS 1.1 and 1.2 allow cross-site scripting through the id parameter on several public PHP pages. An attacker could cause a user’s browser to run injected script if the user visits a crafted link. Severity, patch status, and real-world exploitation are not provided in the source bundle.
Executive priority
Prioritize based on whether the CMS is internet-facing and used by authenticated users or administrators. Without confirmed active exploitation or severity scoring, this is not automatically emergency work, but unsupported public CMS exposure should be removed or remediated promptly.
Technical view
CVE-2020-23977 describes XSS in team.php, player.php, and club.php via the id parameter in Club CMS 1.1 and 1.2. The Packet Storm reference title also mentions SQL injection, but the supplied CVE description only states XSS. No CVSS vector, CWE, vendor fix, or exploitation confirmation is included.
Likely exposure
Exposure is likely limited to organizations still running KandNconcepts Club CMS 1.1 or 1.2, especially internet-facing club or team websites using the named PHP routes.
Exploitation context
The CVE is publicly disclosed and has a Packet Storm reference. The source bundle marks KEV as false, and no cited source confirms active exploitation. Treat exploitation status as unconfirmed.
Researcher notes
The provided data is sparse: no CVSS, CWE, patch reference, or affected CPEs are supplied. The Packet Storm title references SQL injection, but CVE-2020-23977 in the bundle specifically describes XSS via id parameters.
Mitigation direction
- Identify any KandNconcepts Club CMS 1.1 or 1.2 deployments.
- Check vendor or maintainer guidance for fixed versions or supported remediation.
- If unsupported, plan migration or replacement of the CMS.
- Validate and constrain id parameters to expected values.
- Apply output encoding for reflected page content after developer review.
- Use temporary access controls or WAF rules where exposure is unavoidable.
Validation and detection
- Inventory web assets for Club CMS version 1.1 or 1.2.
- Check whether team.php, player.php, or club.php are publicly reachable.
- Review application code handling id parameters for validation and encoding.
- Review web logs for unusual requests to the affected PHP routes.
- Confirm remediation with safe, authorized XSS regression testing.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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.
CVE-2020-23977 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://packetstormsecurity.com/files/157049/KandNconcepts-Club-CMS-1.1-1.2-Cross-Site-Scripting-SQL-Injection.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
