Security readout for executives and security teams
Plain-English summary
CVE-2016-20080 affects the WordPress Brandfolder plugin 3.0 and earlier. The reported issue could let an unauthenticated attacker make the site include arbitrary files through callback.php, potentially exposing sensitive WordPress configuration data. No active exploitation is cited in the provided sources.
Executive priority
Prioritize discovery and removal from public WordPress sites. The issue can expose sensitive configuration data, but provided sources do not show active exploitation or a named vendor fix.
Technical view
The vulnerability is described as local file inclusion in callback.php through the wp_abspath parameter. Sources classify it as CWE-98 with CVSS 4.0 score 6.9. The bundle says path traversal or remote URL input may lead to sensitive file disclosure or remote code execution, but no vendor patch detail is provided.
Likely exposure
Exposure is limited to WordPress sites running the Brandfolder plugin version 3.0 or earlier. The affected metadata is sparse and inconsistent, so organizations should verify plugin presence directly in WordPress inventories.
Exploitation context
A public ExploitDB reference exists, indicating exploit information is publicly available. The bundle marks KEV as false and does not cite confirmed in-the-wild exploitation. Treat this as a credible but not proven actively exploited issue.
Researcher notes
Key uncertainty: source metadata lists affected version oddly while narrative says 3.0 and earlier. Avoid assuming other Brandfolder products are affected. Validate only WordPress plugin exposure and track vendor advisories for fix details.
Mitigation direction
- Inventory WordPress sites for the Brandfolder plugin and installed version.
- Disable or remove affected plugin versions until vendor guidance confirms a safe release.
- Check Brandfolder and WordPress plugin pages for current remediation guidance.
- Review exposed WordPress secrets and rotate credentials if compromise is suspected.
- Restrict unnecessary access to legacy WordPress plugin paths where feasible.
Validation and detection
- Confirm whether Brandfolder plugin version 3.0 or earlier is installed.
- Review web logs for suspicious requests to callback.php and wp_abspath.
- Check whether wp-config.php or other secrets may have been exposed.
- Verify remediation status against official plugin or vendor information.
- Document affected sites, actions taken, and remaining uncertainty.
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.
CWE-98: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2016-20080 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
- Medium
- CVSS
- 6.9 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N——VulnCheckCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N2.53.6VulnCheckVulnerability scoring details
Base CVSS 4.0 score
6.9MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Base CVSS 3.1 score
6.2MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-39591CVE reference, VulnCheck · exploit
- Official Product HomepageCVE reference, VulnCheck · product
- Product ReferenceCVE reference, VulnCheck · product
- VulnCheck Advisory: WordPress Brandfolder Plugin 3.0 Local File Inclusion via callback.phpCVE reference, VulnCheck · third-party-advisory
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.
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.