ZDF
Sign inSign up

Vulnerabilities

Security fix · CVE-2023-39527

New possible XSS injection through Validate::isCleanHTML method

Published Aug 7, 2023 · catalog updated Aug 7, 2023 · New possible XSS injection

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-39527. EPSS is 0.51%. Act only if a listed version of New possible XSS injection is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (New possible XSS injection).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.51%
Remediation
Version ranges on file
Affected products
composer prestashop/prestashop

### Impact xss injection through method ### Patches 1.7.8.10 8.0.5 8.1.1 ### Found by Aleksey Solovev (Positive Technologies) ### Workarounds ### References

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.

  • composer prestashop/prestashop<= 8.1.0

How to fix CVE-2023-39527

  • Upgrade

    CVE-2023-39527 lists a fix boundary at 8.1.0. Compare the installed build with that boundary before you change production.

  • Version check

    Affected <= 8.1.0

  • Advisory

    Open the inventory_github record and follow its fix.

  • Official advisories

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-2023-39527. EPSS is 0.51%. Act only if a listed version of New possible XSS injection is installed.

Which versions are affected?

Compare what you have installed with <= 8.1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.51%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

PrestaShop security

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. Aug 7, 2023 · Maintainer security tabs

    Detected

    ### Impact xss injection through method ### Patches 1.7.8.10 8.0.5 8.1.1 ### Found by Aleksey Solovev (Positive Technologies) ### Workarounds ### References

  2. Aug 7, 2023 · Maintainer security tabs

    Updated

    ### Impact xss injection through method ### Patches 1.7.8.10 8.0.5 8.1.1 ### Found by Aleksey Solovev (Positive Technologies) ### Workarounds ### References

Sources

  • Maintainer security tabsVendor advisoryGHSA-xw2r-f8xv-c8xp

    ### Impact xss injection through method ### Patches 1.7.8.10 8.0.5 8.1.1 ### Found by Aleksey Solovev (Positive Technologies) ### Workarounds ### References

    github.com

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Maintainer security tabsNov 1, 2026