Security readout for executives and security teams
Plain-English summary
This affects WordPress sites using Ocean Extra up to version 1.6.5. An attacker cannot trigger it alone; they must trick an authenticated administrator into taking an action, such as clicking a crafted link. The impact described is limited integrity change: validating extension bundles without proper CSRF protection.
Executive priority
Treat this as a moderate website administration risk. It is not described as actively exploited, but vulnerable sites could be manipulated if an administrator is socially engineered. Prioritize remediation during the next WordPress maintenance cycle, sooner for high-value or heavily administered public sites.
Technical view
CVE-2020-36760 is a CWE-352 CSRF issue in Ocean Extra’s add_core_extensions_bundle_validation() function. Missing or incorrect nonce validation allows unauthenticated attackers to cause bundle validation through a forged administrator request. CVSS 3.1 is 4.3 with required user interaction and low integrity impact.
Likely exposure
Exposure is limited to WordPress installations running the Ocean Extra plugin at versions up to and including 1.6.5. Sites without the plugin, or running versions outside the affected range, are not shown as affected by the supplied sources.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation depends on social engineering a logged-in site administrator into performing an action. The available description does not claim remote unauthenticated exploitation without administrator interaction.
Researcher notes
The key control failure is nonce validation around add_core_extensions_bundle_validation(). Scope appears narrow: no confidentiality or availability impact is stated, and integrity impact is low. The supplied affected metadata is sparse, so rely on plugin version evidence and vendor changelog confirmation when closing findings.
Mitigation direction
- Inventory WordPress sites for Ocean Extra and record installed versions.
- Update Ocean Extra beyond 1.6.5 where vendor guidance confirms the fix.
- Check Wordfence, WordPress plugin changelog, and vendor guidance for fixed-release details.
- Limit WordPress administrator access to trusted users and managed devices.
- Train administrators to avoid unsolicited links while logged into WordPress.
Validation and detection
- Confirm whether Ocean Extra is installed on each WordPress site.
- Flag any Ocean Extra version up to and including 1.6.5.
- Review changelog or source diff for nonce validation around bundle validation.
- Check administrative activity for unexpected extension bundle validation events.
- Verify remediation by confirming the deployed plugin version is no longer affected.
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-352: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupCVE-2020-36760 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A: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.
CVSS vector scores
1 official scoreWe 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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/eb3ef121-13ea-4e42-90c1-1f4bd31ebbcf?source=cveCVE reference
- https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/CVE reference
- https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/CVE reference
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/CVE reference
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/CVE reference
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/CVE reference
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/CVE reference
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2391055%40ocean-extra&new=2391055%40ocean-extra&sfp_email=&sfph_mail=CVE reference
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.
