CVE-2023-53911

Name: CVE-2023-53911
Creator: NVD / NIST
Published: 2025-12-17T23:15:49.497+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2023-53911 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. Textpattern CMS 4.8.8 contains a stored cross-site scripting vulnerability in the article excerpt field that allows authenticated users to inject malicious scripts. Attackers can insert JavaScript payloads into the excerpt, which will execute when the article is viewed by other users.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

Textpattern CMS 4.8.8 contains a stored cross-site scripting vulnerability in the article excerpt field that allows authenticated users to inject malicious scripts. Attackers can insert JavaScript payloads into the excerpt, which will execute when the article is viewed by other users.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.26%

16.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Textpattern	Textpattern	4.8.8

References

https://textpattern.com/Product
https://www.exploit-db.com/exploits/51523Exploit, Third Party Advisory, VDB Entry
https://www.vulncheck.com/advisories/textpattern-cms-authenticated-stored-cross-site-scripting-via-article-excerptThird Party Advisory

Timeline

Published: Dec 17, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-53911?

How severe is CVE-2023-53911?

CVE-2023-53911 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2023-53911?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-53911?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST