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CVE-2024-2159· NVD / CVE Program· CNA WPScan

Sassy Social Share < 3.3.61 - Contributor+ Stored XSS

The Social Sharing Plugin WordPress plugin before 3.3.61 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

MediumCVSS 4.7 · v3.1—No exploit Fix available
Published
Apr 26, 2024
Updated
Jun 17, 2026
EPSS
0.5% · 39th percentile
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Report tools

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Action score

18

Monitor

Low priority for now.

CVSS
18 / 40 · 4.7 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
heateorsassy social share

Affected versions

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

  • heateor sassy social sharebefore 3.3.61

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 Social Sharing Plugin

    • before 3.3.61affected · semver

Same product

heateor: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-39321Sassy Social Share 3.3.23 PHP Object Injection
    36Monitor
  • CVE-2022-4971Sassy Social Share <= 3.3.3 - Reflected Cross-Site Scripting
    29Monitor
  • CVE-2024-1448Sassy Social Share <= 3.3.56 - Authenticated (Contributor+) Stored Cross-Site Scripting
    25Monitor
  • CVE-2021-24746Sassy Social Share < 3.3.40 - Reflected Cross-Site Scripting
    25Monitor
  • CVE-2025-5528Social Sharing Plugin – Sassy Social Share <= 3.3.75 - Reflected Cross-Site Scripting via 'heateor_mastodon_share' Parameter
    24Monitor
  • CVE-2024-11252Social Sharing Plugin – Sassy Social Share <= 3.3.69 - Reflected Cross-Site Scripting via heateor_mastodon_share Parameter
    24Monitor

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 Social Sharing Plugin3.3.61Vendor (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.

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.

No commit or PR link among the references.

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-2022-4971173 days apartSassy Social Share <= 3.3.3 - Reflected Cross-Site Scripting
    29Monitor
  • CVE-2024-144858 days apartSassy Social Share <= 3.3.56 - Authenticated (Contributor+) Stored Cross-Site Scripting
    25Monitor
  • CVE-2024-492447 days apartSassy social share < 3.3.63 Admin+ Stored Cross-Site scripting
    24Monitor
  • CVE-2024-11252218 days apartSocial Sharing Plugin – Sassy Social Share <= 3.3.69 - Reflected Cross-Site Scripting via heateor_mastodon_share Parameter
    24Monitor
  • CVE-2025-5528407 days apartSocial Sharing Plugin – Sassy Social Share <= 3.3.75 - Reflected Cross-Site Scripting via 'heateor_mastodon_share' Parameter
    24Monitor
  • CVE-2024-198951 days apartSocial Sharing Plugin – Sassy Social Share <= 3.3.58 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
    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.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
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
None
User interaction
Required
Scope
Changed
Confidentiality impact
None
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:N/UI:R/S:C/C:N/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

—

Change log

  1. Fix✗ → ✓

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