LiveActive security incident?Get immediate response
CVE Record

CVE-2024-34794: WordPress Tainacan plugin <= 0.21.3 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in tainacan Tainacan tainacan.This issue affects Tainacan: from n/a through <= 0.21.3.

HighCVSS 7.1Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2024-34794 is a high-severity cross-site scripting issue in the WordPress Tainacan plugin through version 0.21.3. A successful attack could run malicious script in a user’s browser after interaction, risking account actions, data exposure, or site trust. The provided sources do not show confirmed active exploitation.

Executive priority

Treat this as a near-term WordPress plugin risk, especially on public sites or sites with privileged users. Prioritize identifying affected installations and applying vendor-confirmed remediation. Urgency is high, but the provided evidence does not justify emergency status from active exploitation alone.

Technical view

The CVE describes CWE-79 improper neutralization during web page generation in Tainacan. CVSS 3.1 is 7.1 with network attack vector, low complexity, no privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to WordPress sites running the Tainacan plugin at version 0.21.3 or earlier. Public-facing sites are more reachable because the vector is network-accessible and requires no attacker privileges, though exploitation still depends on user interaction.

Exploitation context

The source bundle lists KEV as false and provides no evidence of active exploitation. Patchstack and CVE records identify the vulnerability class and affected versions, but the supplied evidence does not include exploit maturity, indicators, or a named fixed version.

Researcher notes

Available evidence is narrow: CWE-79, CVSS vector, affected plugin range, Patchstack references, and no KEV listing. Do not assume a fixed version or exploit details from the bundle. Validation should focus on version exposure, vendor advisory status, and safe scanner confirmation.

Mitigation direction

  • Inventory WordPress sites for the Tainacan plugin and installed version.
  • Check Tainacan and Patchstack guidance for a confirmed fixed release.
  • Upgrade if vendor guidance identifies a patched version.
  • Disable or remove Tainacan where not required until remediated.
  • Use WAF or CSP controls as temporary compensating protection.

Validation and detection

  • Confirm whether Tainacan is installed on each WordPress site.
  • Verify installed versions are not 0.21.3 or earlier.
  • Use an approved scanner to check for CVE-2024-34794 exposure.
  • Review site logs for unusual Tainacan-related traffic or admin activity.
  • Rescan after mitigation and document remaining exceptions.
Prepared
Confidence
medium
Sources
4

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-2024-34794 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
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
3Timeline events
2ADP providers
3Source links

SSVC decision data

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

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:L2.83.7Patchstack

Vulnerability scoring details

Base CVSS 3.1 score

7.1High
CVSS 3.1 vector shape for CVE-2024-34794Attack 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

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
CVECVE Program Container
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
tainacanTainacantainacan, 0unaffected
Weakness

CWE details

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

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.