CVE-2023-49740

WordPress Seraphinite Accelerator Plugin <= 2.20.28 is vulnerable to Cross Site Scripting (XSS)

7.1 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.41%Up 0.4 points since Dec 15, 2023

What each source reports

CVE List Score used 7.1

WordPress Seraphinite Accelerator Plugin <= 2.20.28 is vulnerable to Cross Site Scripting (XSS)

Record: CVE-2023-49740
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2023-53663 7.1

Record: EUVD-2023-53663
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-v9r2-xx4h-x954 7.1

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Record: GHSA-v9r2-xx4h-x954
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 7.1

Record: CVE-2023-49740
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-49740 is a high vulnerability (CVSS 7.1) in S-sols Seraphinite Accelerator, published December 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.