CVE-2023-0371: EmbedSocial < 1.1.28 - Contributor+ Stored XSS

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-02-21 · updated 2026-06-17
Weakness: CWE-79

Description

The EmbedSocial WordPress plugin before 1.1.28 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

Affected products

EmbedSocial: before 1.1.28 — fixed in 1.1.28

How to fix

Upgrade to a fixed version: EmbedSocial 1.1.28. Check the vendor advisory for mitigations.

References

https://wpscan.com/vulnerability/0b6381cd-fa31-4cc7-8b42-063a4c545577
https://wpscan.com/vulnerability/0b6381cd-fa31-4cc7-8b42-063a4c545577

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