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MEDIUM severity

CVE-2021-43561 — google-for-jobs

MEDIUM

CVE-2021-43561 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in pegasus/google-for-jobs. A fix is available for pegasus/google-for-jobs — see the affected versions and patch details below.

Cross-site Scripting in pegasus/google-for-jobs

Also known asGHSA-hfm8-2q22-h7hv
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Oct 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.5%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs42th percentile — riskier than 42% of all scored CVEsHighest risk
0.00%0.34%0.67%1.01%0.2%0.5%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2021-43561 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

2 pkgs affected
🐘pegasus/google-for-jobs🐘pegasus/google-for-jobs

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

An XSS issue was discovered in the google_for_jobs (aka Google for Jobs) extension before 1.5.1 and 2.x before 2.1.1 for TYPO3. The extension fails to properly encode user input for output in HTML context. A TYPO3 backend user account is required to exploit the vulnerability.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistpegasus/google-for-jobsall versions1.5.1composer require pegasus/google-for-jobs:^1.5.1
🐘Packagistpegasus/google-for-jobs≥ 2.0.0&&< 2.1.12.1.1composer require pegasus/google-for-jobs:^2.1.1

Affected Products

1 product · 2 configurations
Application
google for jobspega-sus
≥ 2.0.0 && < 2.1.1
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for pegasus/google-for-jobs, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update pegasus/google-for-jobs to 1.5.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2021-43561 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

An XSS issue was discovered in the google_for_jobs (aka Google for Jobs) extension before 1.5.1 and 2.x before 2.1.1 for TYPO3. The extension fails to properly encode user input for output in HTML context. A TYPO3 backend user account is required to exploit the vulnerability.
O3 Security · Impact-Aware SCA

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CVE-2021-43561: google-for-jobs XSS — Fixed in 1.5.1