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🐘 Packagist

GHSA-g32q-4fhf-cq72

MEDIUM

ImpressCMS XSS

Also known asCVE-2018-13983
Published
May 24, 2022
Updated
Nov 8, 2023
Affected
1 pkg
Patched
None yet
Exploits
2 known

EPSS Exploitation Probability

via FIRST.org ↗
1.5%probability of exploitation in next 30 days
Lower Risk72th percentile+1.26%
0.00%0.68%1.37%2.05%0.3%1.5%Dec 25Apr 26Jun 26

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Blast Radius

1 pkg affected
🐘impresscms/impresscms

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

ImpressCMS 1.3.10 has XSS via the PATH_INFO to htdocs/install/index.php, htdocs/install/page_langselect.php, or htdocs/install/page_modcheck.php.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐘Packagistimpresscms/impresscmsall versionsNo fix
Exploits & PoCs
2

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for impresscms/impresscms. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Remediation status

    No patched version of impresscms/impresscms has shipped for GHSA-g32q-4fhf-cq72 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-g32q-4fhf-cq72 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-g32q-4fhf-cq72. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

ImpressCMS 1.3.10 has XSS via the PATH_INFO to `htdocs/install/index.php`, `htdocs/install/page_langselect.php`, or `htdocs/install/page_modcheck.php`.
O3 Security · Impact-Aware SCA

Is GHSA-g32q-4fhf-cq72 in your dependencies?

O3 detects GHSA-g32q-4fhf-cq72 across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.