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Noroxi
NVD / CVE Program· CNA WPScan

CVE-2024-10678: Ultimate Blocks < 3.2.4 - Contributor+ Stored XSS

MediumCVSS 5.4 · v3.1—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 21/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.29% (FIRST EPSS).
  • 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.
  • Fixed version: Unknown Ultimate Blocks 3.2.4.

Low priority for now. Upgrade to Unknown Ultimate Blocks 3.2.4 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

The Ultimate Blocks WordPress plugin before 3.2.4 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Published
Dec 13, 2024
Updated
Jun 17, 2026
EPSS
0.2% · 22th percentile

Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Is Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor on your site?

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Is Ultimate Blocks – 25+ Gutenberg Blocks for Block Editor on your site?

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
dotcampultimate blocks

Versions reported by the vendor

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

  • Unknown Ultimate Blocks

    • before 3.2.4affected · semver

Affected versions

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

  • dotcamp ultimate blocksbefore 3.2.4

Same product

dotcamp: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-2918Ultimate Blocks – WordPress Blocks Plugin <= 3.3.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Widgets
    21Monitor
  • CVE-2024-8536Ultimate Blocks < 3.2.2 - Contributor+ Stored XSS
    21Monitor
  • CVE-2024-37457WordPress Ultimate Blocks – WordPress Blocks Plugin plugin <= 3.1.9 - Cross Site Scripting (XSS) vulnerability
    21Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2024-4268Jul 2, 2024 · Ultimate Blocks – WordPress Blocks Plugin <= 3.1.9 - Authenticated(Contributor+) Stored Cross-Site Scripting via Multiple Blocks
    21Monitor
  • ← EarlierCVE-2024-4655Jul 11, 2024 · Ultimate Blocks < 3.1.9 - Contributor+ Stored XSS
    21Monitor
  • ← EarlierCVE-2024-6362Jul 29, 2024 · Ultimate Blocks < 3.2.0 - Contributor+ Stored XSS
    18Monitor

Remediation

Which version to upgrade to

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

Product / packageFixed versionSource
Unknown Ultimate Blocks3.2.4Vendor (CNA)

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.

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-2024-853674 days apartUltimate Blocks < 3.2.2 - Contributor+ Stored XSS
    21Monitor
  • CVE-2024-37457145 days apartWordPress Ultimate Blocks – WordPress Blocks Plugin plugin <= 3.1.9 - Cross Site Scripting (XSS) vulnerability
    21Monitor
  • CVE-2024-4655155 days apartUltimate Blocks < 3.1.9 - Contributor+ Stored XSS
    21Monitor
  • CVE-2024-3513164 days apartUltimate Blocks – WordPress Blocks Plugin <= 3.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via title tag attribute
    21Monitor
  • CVE-2024-4268164 days apartUltimate Blocks – WordPress Blocks Plugin <= 3.1.9 - Authenticated(Contributor+) Stored Cross-Site Scripting via Multiple Blocks
    21Monitor
  • CVE-2025-2918179 days apartUltimate Blocks – WordPress Blocks Plugin <= 3.3.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Multiple Widgets
    21Monitor

Not on record for this CVE: EPSS history · patch commit or PR link · public bounty program.

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-secondary

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

—

All records