CVE-2013-2652: CRLF injection vulnerability in help/help_language.php in WebCollab 3.30 and earlier allows remote attackers t

Q: How do I fix CVE-2013-2652?

webcollab: upgrade to newer than 3.30. Exact commands for each OS are on this page.

Q: Is CVE-2013-2652 being exploited?

CVE-2013-2652 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-2013-2652 affect?

CVE-2013-2652 affects webcollab. Severity is medium (CVSS 4.3). CRLF injection vulnerability in help/help_language.php in WebCollab 3.30 and earlier allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the item parameter.

Q: How urgent is CVE-2013-2652?

Priority 41/100. Public exploit reference

This month

MEDIUM 4.3UPGRADE

CVE-2013-2652 is a medium-severity flaw (CVSS 4.3) affecting webcollab. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CRLF injection vulnerability in help/help_language.php in WebCollab 3.30 and earlier allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the item parameter.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-79
Published	2013-11-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: andrew simpson

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

Am I affected?

Timeline

2013-11-02 18:55 UTCPublished CVE record published
2026-06-16 23:53 UTCUpdated Record last modified

andrew simpson webcollab UPGRADE

Affected: <= 3.30 · 1.3 beta · 1.30 · 1.31 · 1.32 · 1.40 · 1.41 · 1.42

Fixed in: newer than 3.30

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy webcollab || rpm -q webcollab || webcollab --version

2. UPGRADE to newer than 3.30 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade webcollab

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade webcollab

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-2013-2652?

webcollab: upgrade to newer than 3.30. Exact commands for each OS are on this page.

Is CVE-2013-2652 being exploited?

CVE-2013-2652 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-2013-2652 affect?

CVE-2013-2652 affects webcollab. Severity is medium (CVSS 4.3). CRLF injection vulnerability in help/help_language.php in WebCollab 3.30 and earlier allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the item parameter.

How urgent is CVE-2013-2652?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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