Security readout for executives and security teams
Plain-English summary
CVE-2011-3856 is an XSS issue in the Elegant Grunge WordPress theme before version 1.0.4. A vulnerable site could let attacker-controlled script or HTML run in a visitor's browser through the search parameter. Business risk depends on whether this old theme is still deployed.
Executive priority
Medium priority for organizations with legacy WordPress estates. This is old and theme-specific, but exposed public sites using the vulnerable theme should be updated or retired because XSS can affect users and administrators.
Technical view
The CVE describes cross-site scripting in the Elegant Grunge theme for WordPress before 1.0.4, involving insufficient handling of the s parameter. The public bundle does not provide CVSS, CWE, detailed impact scope, or exploit evidence. Treat exposure as theme-specific, not a WordPress core vulnerability.
Likely exposure
Exposure is likely limited to WordPress sites actively using Elegant Grunge versions earlier than 1.0.4. Sites not using this theme are not indicated as affected by the supplied sources.
Exploitation context
The sources say remote attackers can inject script or HTML through the s parameter. There is no KEV listing and no supplied evidence of active exploitation, public weaponization, or exploitation at scale.
Researcher notes
The source data is sparse: no CVSS vector, CWE, affected CPEs, or detailed advisory content is included in the bundle. The version boundary before 1.0.4 is the strongest remediation clue. Do not generalize beyond Elegant Grunge.
Mitigation direction
- Upgrade Elegant Grunge to version 1.0.4 or later if still used.
- Replace the theme if maintained updates are unavailable.
- Review vendor or theme maintainer guidance for any additional remediation.
- Prioritize externally accessible WordPress sites using this theme.
- Keep WordPress core and other themes/plugins current as supporting hygiene.
Validation and detection
- Inventory WordPress installations for the Elegant Grunge theme.
- Confirm installed theme version is 1.0.4 or later.
- Check whether public pages process the s search parameter through the theme.
- Review web logs for unusual or encoded s parameter activity.
- Document whether the theme is active, inactive, or removed.
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-2011-3856 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://sitewat.ch/en/Advisories/14CVE 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.