Security readout for executives and security teams
Plain-English summary
CVE-2021-36861 affects the WordPress Rich Reviews by Starfish plugin version 1.9.14 and earlier. A successful cross-site request forgery attack could trick a user into causing review deletion. The business impact is loss or manipulation of customer review content, not server takeover based on the provided sources.
Executive priority
Handle during normal vulnerability remediation unless the plugin supports business-critical reviews or signs of unauthorized review deletion exist. Prioritize identifying affected sites first.
Technical view
The vulnerability is CWE-352 CSRF in Rich Reviews by Starfish for WordPress <= 1.9.14. CVSS 3.1 is 5.4 with network attack vector, low complexity, no attacker privileges, required user interaction, and low integrity and availability impact. The source bundle identifies review deletion as the impact.
Likely exposure
Exposure is limited to WordPress sites running Rich Reviews by Starfish version 1.9.14 or earlier. The source bundle provides no CPEs or hosting-specific constraints.
Exploitation context
The CVE is not listed as KEV, and the provided sources do not show active exploitation. The CVSS vector indicates user interaction is required. Do not treat this as confirmed exploited without new evidence.
Researcher notes
Evidence is concise: affected product, version range, CWE, CVSS, and impact are provided. The source bundle does not name a fixed version, exploitation in the wild, or detailed vendor mitigation.
Mitigation direction
- Inventory WordPress sites for Rich Reviews by Starfish installations.
- Confirm whether installed versions are 1.9.14 or earlier.
- Check Patchstack and WordPress plugin guidance for current remediation details.
- Upgrade, disable, or replace the plugin according to vendor guidance.
- Limit administrative browsing while logged into WordPress.
Validation and detection
- Review WordPress plugin inventory and record installed versions.
- Compare findings against the affected range: 1.9.14 and earlier.
- Check review records for unexpected deletion activity.
- Verify remediation status against Patchstack or the WordPress developer page.
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-2021-36861 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
- 5.4 (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:L
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:L2.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://patchstack.com/database/vulnerability/rich-reviews/wordpress-rich-reviews-by-starfish-plugin-1-9-14-cross-site-request-forgery-csrf-vulnerabilityCVE reference · x_refsource_CONFIRM
- https://wordpress.org/plugins/rich-reviews/#developersCVE reference · x_refsource_CONFIRM
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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.