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CVE-2024-13733· NVD / CVE Program· CNA Wordfence

SKT Blocks – Gutenberg based Page Builder <= 1.7 - Authenticated (Contributor+) Stored Cross-Site Scripting

The SKT Blocks – Gutenberg based Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's skt-blocks/post-carousel block in all versions up to, and including, 1.7 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. CVE-2025-26771 is a duplicate of this issue.

MediumCVSS 5.4 · v3.1—No exploit No fix recorded
Published
Feb 4, 2025
Updated
Jun 17, 2026
EPSS
0.3% · 21th percentile
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Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
5.4
CNA · Wordfence
6.4
1.0 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
sktthemesskt blocks

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • sktthemes skt blocksbefore 1.8

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Wordfence). Independent of NVD's CPE analysis and usually ahead of it.

  • sonalsinha21 SKT Blocks – Gutenberg based Page Builder

    • up to and including 1.7affected · semver

Same product

sktthemes: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-48270WordPress SKT Blocks plugin <= 2.2 - Cross Site Scripting (XSS) Vulnerability
    21Monitor
  • CVE-2025-46235WordPress SKT Blocks – Gutenberg based Page Builder plugin <= 2.0 - Cross Site Scripting (XSS) Vulnerability
    21Monitor
  • CVE-2025-26998WordPress SKT Blocks – Gutenberg based Page Builder plugin <= 1.8 - Cross Site Scripting (XSS) vulnerability
    21Monitor
  • CVE-2025-3276SKT Blocks – Gutenberg based Page Builder <= 1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
    21Monitor
  • CVE-2025-26771WordPress SKT Blocks plugin <= 1.7 - Cross Site Scripting (XSS) vulnerability
    21Monitor
  • CVE-2024-48036WordPress SKT Blocks plugin <= 1.6 - Cross Site Scripting (XSS) vulnerability
    21Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-2677113 days apartWordPress SKT Blocks plugin <= 1.7 - Cross Site Scripting (XSS) vulnerability
    21Monitor
  • CVE-2025-327667 days apartSKT Blocks – Gutenberg based Page Builder <= 1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
    21Monitor
  • CVE-2025-2699870 days apartWordPress SKT Blocks – Gutenberg based Page Builder plugin <= 1.8 - Cross Site Scripting (XSS) vulnerability
    21Monitor
  • CVE-2025-4623577 days apartWordPress SKT Blocks – Gutenberg based Page Builder plugin <= 2.0 - Cross Site Scripting (XSS) Vulnerability
    21Monitor
  • CVE-2025-48270104 days apartWordPress SKT Blocks plugin <= 2.2 - Cross Site Scripting (XSS) Vulnerability
    21Monitor
  • CVE-2024-48036110 days apartWordPress SKT Blocks plugin <= 1.6 - Cross Site Scripting (XSS) vulnerability
    21Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

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

nvd-primary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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