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CVE Record

CVE-2023-33997: WordPress bbp style pack Plugin <= 5.5.5 is vulnerable to Cross Site Scripting (XSS)

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Robin Wilson bbp style pack plugin <= 5.5.5 versions.

HighCVSS 7.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2023-33997 is a reflected cross-site scripting issue in the WordPress bbp style pack plugin through version 5.5.5. An attacker would need a user to interact with a malicious link or request. Successful abuse could run script in that user's browser session, creating account, content, or data-exposure risk.

Executive priority

Treat this as a high-priority website hygiene issue, especially for public WordPress properties. It is not confirmed as actively exploited in the provided sources, but the no-login requirement and browser-session impact justify timely remediation.

Technical view

The issue is CWE-79 reflected XSS in Robin Wilson bbp style pack for WordPress, reported for versions <= 5.5.5. CVSS 3.1 is 7.1: network reachable, low complexity, no privileges, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to WordPress sites running the bbp-style-pack plugin at version 5.5.5 or earlier. Public-facing sites have higher practical exposure because attackers can target visitors, moderators, or administrators with malicious links.

Exploitation context

The provided bundle marks CISA KEV as false and includes no cited evidence of active exploitation. The source data does not identify the vulnerable parameter, proof-of-concept details, or a confirmed fixed version, so exploitation assessment should remain conservative.

Researcher notes

The public bundle is sparse. It establishes unauthenticated reflected XSS, affected plugin, version ceiling, CVSS, and CWE, but does not provide endpoint, parameter, exploit maturity, or fixed-version evidence. Avoid claiming more than the advisory supports.

Mitigation direction

  • Inventory WordPress sites for the bbp-style-pack plugin and installed version.
  • Check vendor, WordPress plugin, or Patchstack guidance for the confirmed fixed release.
  • Upgrade only to a vendor-supported fixed version when confirmed.
  • Disable the plugin where business impact is acceptable until remediation is verified.
  • Prioritize administrator and moderator accounts for additional browser-session protections.

Validation and detection

  • Confirm whether any installed bbp-style-pack version is <= 5.5.5.
  • Review WordPress plugin inventory across production, staging, and backups.
  • Check web logs for unusual requests targeting bbp-style-pack paths or parameters.
  • Verify remediation by confirming the plugin version after update or removal.
  • Document whether the site exposes bbPress-related pages publicly.
Prepared
Confidence
medium
Sources
3

Public sources used

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-2023-33997 mapping review

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

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.1 (3.1)
Known Exploited
No
Published

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

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

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
7.1CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L2.83.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.1High
CVSS 3.1 vector shape for CVE-2023-33997Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Robin Wilsonbbp style packbbp-style-pack, n/aunaffected
Weakness

CWE details

CWE-79

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