Security readout for executives and security teams
Plain-English summary
This is an old reflected cross-site scripting issue in the Trending WordPress theme before version 0.2. A remote attacker could inject script or HTML through the cpage parameter. Business urgency depends on whether any public WordPress site still uses that obsolete theme version.
Executive priority
Treat this as a targeted legacy-asset cleanup item. It is not supported by active-exploitation evidence in the bundle, but any internet-facing WordPress site still using the vulnerable theme should be remediated promptly.
Technical view
CVE-2011-3859 describes XSS in the WordPress Trending theme before 0.2 via the cpage parameter. The bundle does not provide CVSS, CWE, CPEs, or detailed vendor remediation text. KEV is false, and the provided sources do not show active exploitation.
Likely exposure
Exposure appears limited to WordPress installations running the Trending theme before version 0.2, especially public pages accepting the cpage parameter. The source bundle lacks CPEs and broader product metadata.
Exploitation context
The vulnerability is remotely reachable where the affected theme processes cpage input. The source bundle supports script or HTML injection, but does not provide evidence of exploitation in the wild or inclusion in CISA KEV.
Researcher notes
The record is sparse: no CVSS, CWE, CPE, or detailed patch advisory is included. The key facts are the affected WordPress Trending theme before 0.2, the cpage parameter, and XSS impact. Avoid assuming broader WordPress core exposure.
Mitigation direction
- Inventory WordPress sites for the Trending theme and its version.
- Upgrade the Trending theme to 0.2 or later where available.
- Disable or replace the theme if a fixed version cannot be verified.
- Check vendor or archival guidance before relying on compensating controls.
- Use WAF filtering as temporary risk reduction, not a primary fix.
Validation and detection
- Confirm whether any site runs Trending theme before 0.2.
- Review public pages that accept the cpage parameter.
- Use benign marker testing to verify output encoding behavior.
- Review web logs for suspicious cpage parameter values.
- After remediation, confirm cpage input is encoded or rejected.
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
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ATT&CK lookup starting points
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CVE-2011-3859 mapping review
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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://sitewat.ch/en/Advisories/17CVE 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.