CVE-2013-3538: Multiple cross-site scripting (XSS) vulnerabilities in todooforum.php in Todoo Forum 2.0 allow remote attacker

This month

MEDIUM 4.3DOWNGRADE

CVE-2013-3538 is a medium-severity flaw (CVSS 4.3) affecting todoo forum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in todooforum.php in Todoo Forum 2.0 allow remote attackers to inject arbitrary web script or HTML via the (1) id_post or (2) pg parameter.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	3.2% (top 12%)
CISA exploited list	No
Weakness	CWE-79
Published	2013-05-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: wesley destailleur

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

Am I affected?

Timeline

2013-05-13 23:55 UTCPublished CVE record published
2026-06-16 23:55 UTCUpdated Record last modified

wesley destailleur todoo forum DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy todoo-forum || rpm -q todoo-forum || todoo-forum --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison todoo-forum sudo apt install todoo-forum=<VERSION_BEFORE_2.0> sudo apt-mark hold todoo-forum

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list todoo-forum sudo dnf downgrade todoo-forum-<VERSION_BEFORE_2.0> sudo dnf versionlock add todoo-forum

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Todoo Forum 2.0 - 'todooforum.php' Multiple Cross-Site Scripting Vulnerabilities

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-2013-3538?

todoo forum: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-3538 being exploited?

CVE-2013-3538 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-2013-3538 affect?

CVE-2013-3538 affects todoo forum. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in todooforum.php in Todoo Forum 2.0 allow remote attackers to inject arbitrary web script or HTML via the (1) id_post or (2) pg parameter.

How urgent is CVE-2013-3538?

Priority 42/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2013-3537 HIGH 7.5 DOWNGRADE Multiple SQL injection vulnerabilities in todooforum.php in Todoo Forum 2.0 allow remote attackers to execute

References

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