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CVE Record

CVE-2020-37233: WordPress Plugin Buddypress 6.2.0 Persistent Cross-Site Scripting

WordPress Plugin Buddypress 6.2.0 contains a persistent cross-site scripting vulnerability that allows authenticated attackers with moderator privileges to inject malicious script code through the figure parameter in wp:html blocks. Attackers can inject iframe elements with event handlers like onload that execute when administrators or privileged users preview or view the affected page content, enabling session hijacking and persistent phishing attacks.

MediumCVSS 6.4Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

BuddyPress 6.2.0 for WordPress has a stored cross-site scripting flaw. A moderator-level user could save malicious page content that runs in another privileged user's browser. The main business risk is compromise of admin sessions, deceptive content, or unauthorized site changes after a trusted account views the content.

Executive priority

Prioritize remediation for public or business-critical WordPress communities with multiple moderators. The vulnerability requires moderator privileges, but stored execution against administrators can turn a lower-privileged account into a broader site compromise path.

Technical view

CVE-2020-37233 is CWE-79 persistent XSS in BuddyPress 6.2.0. The source bundle says authenticated attackers with moderator privileges can inject script-capable markup through the figure parameter in wp:html blocks, which executes when administrators or privileged users preview or view affected content. CVSS 3.1 score is 6.4.

Likely exposure

Exposure appears limited to WordPress sites running BuddyPress 6.2.0 where moderator-level users can create or edit affected block content. Sites without BuddyPress, without version 6.2.0, or without untrusted moderator access are less likely exposed based on the provided sources.

Exploitation context

The bundle includes an Exploit-DB reference, so public exploit information exists. It does not show CISA KEV listing or cited evidence of active exploitation. Treat this as a credible stored-XSS risk, especially where moderator accounts are numerous, shared, compromised, or externally managed.

Researcher notes

Evidence is sufficient for affected version, vulnerability class, privilege requirement, and impact direction. The source bundle does not provide a fixed version, vendor patch note, or active exploitation evidence. Avoid assuming affected versions beyond BuddyPress 6.2.0.

Mitigation direction

  • Check official BuddyPress guidance for a fixed or supported version before changing production systems.
  • Upgrade BuddyPress away from 6.2.0 when vendor guidance identifies a safe target release.
  • Restrict moderator privileges to trusted accounts until exposure is resolved.
  • Review moderator-created pages and posts for suspicious embedded active content.
  • Monitor administrator sessions and account activity for unexpected changes.

Validation and detection

  • Inventory WordPress sites and confirm whether BuddyPress 6.2.0 is installed.
  • Identify users with moderator-level permissions on affected sites.
  • Review pages using wp:html blocks for suspicious iframe or event-handler attributes.
  • Check recent administrator activity after viewing or previewing moderator-created content.
  • Confirm whether vendor advisories or release notes identify remediation for this CVE.
Prepared
Confidence
medium
Sources
5

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-79: 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 lookup
cve · low confidence lookup

CVE-2020-37233 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.4 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Official CVE source material

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.

2CVSS vectors
3Timeline events
1ADP providers
4Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: noTechnical Impact: partial

CVSS vector scores

2 official scores

We 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.

ScoreVersionSeverityVectorExploitImpactSource
6.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N3.12.7VulnCheck
5.1CVSS 4.0MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:NVulnCheck

Vulnerability scoring details

Base CVSS 4.0 score

5.1Medium
CVSS 4.0 vector shape for CVE-2020-37233Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
WordpressBuddypress6.2.0Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.