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Vulnerabilities

Vulnerability · CVE-2023-53911

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.

Published Dec 17, 2025 · catalog updated Jul 28, 2026 · Tmrswrr Textpattern CMS

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-53911. EPSS is 0.31%. Act only if a listed version of Tmrswrr Textpattern CMS is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.31%
Remediation
Vendor / distro source
Affected products
vendor Tmrswrr Textpattern CMS 4.8.8

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Tmrswrr Textpattern CMS 4.8.84.8.8

How to fix CVE-2023-53911

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-53911. EPSS is 0.31%. Act only if a listed version of Tmrswrr Textpattern CMS is installed.

Which versions are affected?

Compare what you have installed with Tmrswrr Textpattern CMS 4.8.8 4.8.8. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.31%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 17, 2025 · EUVD

    Detected

    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.

  2. Jul 28, 2026 · EUVD

    Updated

    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.

Sources

  • FIRST EPSSExploitation probabilityCVE-2023-53911

    30-day exploitation probability 0.31%

    first.org
  • EUVDVulnerability recordEUVD-2023-60219

    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 u

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • EUVDOct 29, 2026