CVE-2023-49740: WordPress Seraphinite Accelerator Plugin <= 2.20.28 is vulnerable to Cross Site Scripting (XSS)

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-14 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Seraphinite Solutions Seraphinite Accelerator allows Reflected XSS.This issue affects Seraphinite Accelerator: from n/a through 2.20.28.

Affected products

seraphinitesoft Seraphinite Accelerator: before 2.20.29 — fixed in 2.20.29

How to fix

Upgrade to a fixed version: seraphinitesoft Seraphinite Accelerator 2.20.29. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/seraphinite-accelerator/wordpress-seraphinite-accelerator-plugin-2-20-28-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/seraphinite-accelerator/wordpress-seraphinite-accelerator-plugin-2-20-28-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

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