CVE-2013-3535: Multiple cross-site scripting (XSS) vulnerabilities in CMSLogik 1.2.0 and 1.2.1 allow remote attackers to inje

This month

MEDIUM 4.3DOWNGRADE

CVE-2013-3535 is a medium-severity flaw (CVSS 4.3) affecting cmslogik. 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 CMSLogik 1.2.0 and 1.2.1 allow remote attackers to inject arbitrary web script or HTML via the (1) admin_email, (2) header_title, (3) site_title parameter to admin/settings; (4) recaptcha_private or (5) recaptcha_public parameter to admin/captcha_settings; (6) fb_appid, (7) fp_secret, (8) tw_consumer_key, or (9) tw_consumer_secret parameter to admin/social_settings; (10) slug parameter to adm

Why this priority

EPSS top 9%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	4.2% (top 9%)
CISA exploited list	No
Weakness	CWE-79
Published	2013-05-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: themelogik

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

themelogik cmslogik DOWNGRADE

Affected: 1.2.0 · 1.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2.0 (Debian / Ubuntu)

apt-cache madison cmslogik sudo apt install cmslogik=<VERSION_BEFORE_1.2.0> sudo apt-mark hold cmslogik

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

dnf --showduplicates list cmslogik sudo dnf downgrade cmslogik-<VERSION_BEFORE_1.2.0> sudo dnf versionlock add cmslogik

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: CMSLogik 1.2.1 - Multiple 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-2013-3535?

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

Is CVE-2013-3535 being exploited?

CVE-2013-3535 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-2013-3535 affect?

CVE-2013-3535 affects cmslogik. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in CMSLogik 1.2.0 and 1.2.1 allow remote attackers to inject arbitrary web script or HTML via the (1) admin_email, (2) header_title, (3) site_title parameter to admin/settings; (4) recaptc

How urgent is CVE-2013-3535?

Priority 43/100. EPSS top 9%: very likely to be exploited; Public exploit reference

References

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