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CVE Record

CVE-2026-24550: WordPress Blockons plugin <= 1.2.19 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kaira Blockons blockons allows Stored XSS.This issue affects Blockons: from n/a through <= 1.2.19.

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-24550 is a stored cross-site scripting issue in the WordPress Blockons plugin by Kaira. An authenticated user could store script content that later runs when another user views affected pages. The published severity is medium, but business urgency depends on whether the plugin is installed and who can create or edit content.

Executive priority

Treat as a targeted website risk, not an internet-wide emergency. Prioritize WordPress environments using Blockons, especially public sites with multiple content editors. Confirm exposure quickly, then follow vendor remediation guidance or reduce plugin use until a fixed version is verified.

Technical view

The CVE describes CWE-79 improper input neutralization during page generation in Blockons through version 1.2.19. CVSS 3.1 is 6.5: network reachable, low complexity, low privileges required, user interaction required, and scope changed with low confidentiality, integrity, and availability impact.

Likely exposure

Exposure is likely limited to WordPress sites running the Kaira Blockons plugin, especially versions at or below 1.2.19. The CVE requires low privileges, so sites with many authors, editors, contributors, or customer-managed content should prioritize review.

Exploitation context

The source bundle does not show CISA KEV listing or cited active exploitation. Stored XSS usually matters because malicious content can persist and execute in another user’s browser, potentially affecting administrator sessions or site visitors depending on placement and permissions.

Researcher notes

Evidence is incomplete on the exact fixed version and public exploit availability. The CVE description says affected through 1.2.19, while the Patchstack URL slug references 1.2.15. Use the CVE record and vendor-linked advisory for authoritative version confirmation.

Mitigation direction

  • Inventory WordPress sites for the Blockons plugin and record installed versions.
  • Check Kaira, WordPress plugin, and Patchstack guidance for a fixed version or advisory update.
  • Update Blockons if a vendor-approved fixed release is available.
  • If no safe version is confirmed, consider temporarily disabling Blockons on high-risk sites.
  • Limit content-editing privileges to trusted users until remediation is complete.

Validation and detection

  • Confirm whether Blockons is installed on each WordPress instance.
  • Compare installed versions against the CVE affected range: through 1.2.19.
  • Review user roles allowed to create or edit Blockons content.
  • Check vendor or Patchstack pages for updated remediation details.
  • Review recent content changes for unexpected script-like entries or suspicious edits.
Prepared
Confidence
medium
Sources
3

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-2026-24550 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
6.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/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
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2026-24550Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/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
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
KairaBlockonsblockons, 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.