CVE-2013-5570: Cross-site scripting (XSS) vulnerability in the Javascript and CSS Optimizer extension before 1.1.14 for TYPO3

Q: How do I fix CVE-2013-5570?

js css optimizer: upgrade to newer than 1.0.4. Exact commands for each OS are on this page.

Q: Is CVE-2013-5570 being exploited?

CVE-2013-5570 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2013-5570 affect?

CVE-2013-5570 affects js css optimizer. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in the Javascript and CSS Optimizer extension before 1.1.14 for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Q: How urgent is CVE-2013-5570?

Priority 32/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2013-5570 is a medium-severity flaw (CVSS 4.3) affecting js css optimizer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in the Javascript and CSS Optimizer extension before 1.1.14 for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-79
Published	2013-08-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: axel jung

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-08-23 15:55 UTCPublished CVE record published
2026-06-16 23:59 UTCUpdated Record last modified

axel jung js css optimizer UPGRADE

Affected: <= 1.0.4 · 0.0.1 · 0.1.0 · 0.2.0 · 0.2.1 · 0.2.2 · 0.2.3 · 1.0.0

Fixed in: newer than 1.0.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy js-css-optimizer || rpm -q js-css-optimizer || js-css-optimizer --version

2. UPGRADE to newer than 1.0.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade js-css-optimizer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade js-css-optimizer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-5570?

js css optimizer: upgrade to newer than 1.0.4. Exact commands for each OS are on this page.

Is CVE-2013-5570 being exploited?

CVE-2013-5570 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-5570 affect?

CVE-2013-5570 affects js css optimizer. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in the Javascript and CSS Optimizer extension before 1.1.14 for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

How urgent is CVE-2013-5570?

Priority 32/100. No elevated risk signals yet.

Software pages

TYPO3 vulnerabilities

References

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