CVE-2010-5302: Cross-site scripting (XSS) vulnerability in timthumb.php in TimThumb before 1.15 as of 20100908 (r88), as used

Q: How do I fix CVE-2010-5302?

timthumb: upgrade to newer than 1.09. Exact commands for each OS are on this page.

Q: Is CVE-2010-5302 being exploited?

CVE-2010-5302 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-2010-5302 affect?

CVE-2010-5302 affects timthumb. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in timthumb.php in TimThumb before 1.15 as of 20100908 (r88), as used in multiple products, allows remote attackers to inject arbitrary web script or HTML via the QUERY_STRING.

Q: How urgent is CVE-2010-5302?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2010-5302 is a medium-severity flaw (CVSS 4.3) affecting timthumb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in timthumb.php in TimThumb before 1.15 as of 20100908 (r88), as used in multiple products, allows remote attackers to inject arbitrary web script or HTML via the QUERY_STRING.

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	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-08-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: binarymoon

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

Am I affected?

Timeline

2014-08-21 23:55 UTCPublished CVE record published
2026-06-16 23:26 UTCUpdated Record last modified

binarymoon timthumb UPGRADE

Affected: <= 1.09

Fixed in: newer than 1.09

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.09 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade timthumb

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-2010-5302?

timthumb: upgrade to newer than 1.09. Exact commands for each OS are on this page.

Is CVE-2010-5302 being exploited?

CVE-2010-5302 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-2010-5302 affect?

CVE-2010-5302 affects timthumb. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in timthumb.php in TimThumb before 1.15 as of 20100908 (r88), as used in multiple products, allows remote attackers to inject arbitrary web script or HTML via the QUERY_STRING.

How urgent is CVE-2010-5302?

Priority 30/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2014-4663 MEDIUM 6.8 DOWNGRADE DOWNGRADE TimThumb 2.8.13 and WordThumb 1.07, when Webshot (aka Webshots) is enabled, allows remote attackers to execute
CVE-2011-4106 MEDIUM 6.8 UPGRADE TimThumb (timthumb.php) before 2.0 does not validate the entire source with the domain white list, which allow
CVE-2010-5303 MEDIUM 4.3 UPGRADE Cross-site scripting (XSS) vulnerability in the displayError function in timthumb.php in TimThumb before 1.15
CVE-2009-5142 MEDIUM 4.3 UPGRADE DOWNGRADE Cross-site scripting (XSS) vulnerability in timthumb.php in TimThumb 1.09 and earlier, as used in Mimbo Pro 2.

References

← Back to latest CVEs