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CVE-2010-1593 silverstripe/cms

CVE-2010-1593 is a Cross-site Scripting (XSS) vulnerability in silverstripe/cms. 2 public exploit references exist, so weaponization risk is real. A fix is available for silverstripe/cms — see the affected versions and patch details below.

SilverStripe vulnerable to Cross-site Scripting

Published
May 14, 2022
Updated
Apr 11, 2025
Affected
2 pkgs
Patched
2 / 2
Exploits
2 known
Exploitation data as of Sep 18, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
2.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs85th percentile — riskier than 85% of all scored CVEsHighest risk

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.

Real-World Exposure

2 pkgs affected
🐘silverstripe/cms🐘silverstripe/framework

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

Multiple cross-site scripting (XSS) vulnerabilities in SilverStripe before 2.3.5 allow remote attackers to inject arbitrary web script or HTML via (1) the CommenterURL parameter to PostCommentForm, and in the Forum module before 0.2.5 in SilverStripe before 2.3.5 allow remote attackers to inject arbitrary web script or HTML via (2) the Search parameter to forums/search (aka the search script).

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistsilverstripe/cmsall versions2.3.5composer require silverstripe/cms:^2.3.5
🐘Packagistsilverstripe/frameworkall versions2.3.5composer require silverstripe/framework:^2.3.5
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 silverstripe/cms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update silverstripe/cms to 2.3.5 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2010-1593 is resolved across your whole dependency graph.

  3. Workarounds

    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 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like CVE-2010-1593 can be triaged on real exposure rather than presence alone.

Tailored to CVE-2010-1593. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Multiple cross-site scripting (XSS) vulnerabilities in SilverStripe before 2.3.5 allow remote attackers to inject arbitrary web script or HTML via (1) the CommenterURL parameter to PostCommentForm, and in the Forum module before 0.2.5 in SilverStripe before 2.3.5 allow remote attackers to inject arbitrary web script or HTML via (2) the Search parameter to forums/search (aka the search script).
O3 Security · Impact-Aware SCA

Is CVE-2010-1593 in your dependencies?

O3 Security finds CVE-2010-1593 across Packagist dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

CVE-2010-1593: silverstripe/cms XSS | O3 Security