How severe is CVE-2008-6699?

CVE-2008-6699 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-6699 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-6699?

CVE-2008-6699 primarily affects Typo3. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-6699?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-6699 published?

CVE-2008-6699 was published on 2009-04-10 and last updated on 2026-06-16.

CVE-2008-6699

CVE-2008-6699 is a medium-severity vulnerability in Typo3 with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Typo3
Published: 2009-04-10
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Resource Library (tjs_reslib) 0.1.0 and earlier extension for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.

Frequently asked questions

What is CVE-2008-6699?: Cross-site scripting (XSS) vulnerability in Resource Library (tjs_reslib) 0.1.0 and earlier extension for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.
How severe is CVE-2008-6699?: CVE-2008-6699 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-6699 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6699?: CVE-2008-6699 primarily affects Typo3. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-6699?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-6699 published?: CVE-2008-6699 was published on 2009-04-10 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
cpe:2.3:a:typo3:tjs_reslib:*:*:*:*:*:*:*:*

More vulnerabilities in Typo3

CVE-2009-0258 — Critical (CVSS 10.0): The Indexed Search Engine (indexed_search) system extension in TYPO3 4.0.0 through 4.0.9, 4.1.0 through 4.1.7, and…
CVE-2011-3583 — Critical (CVSS 9.8): It was found that Typo3 Core versions 4.5.0 - 4.5.5 uses prepared statements that, if the parameter values are not…
CVE-2011-4628 — Critical (CVSS 9.8): TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to bypass authentication…
CVE-2025-59017 — High (CVSS 8.8): Missing authorization checks in the Backend Routing of TYPO3 CMS versions 9.0.0‑9.5.54, 10.0.0‑10.4.53,…
CVE-2023-24814 — High (CVSS 8.8): TYPO3 is a free and open source Content Management Framework released under the GNU General Public License. In affected…
CVE-2021-41113 — High (CVSS 8.8): TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that…

All CVEs affecting Typo3 →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2026-106102 — Critical (CVSS 10.0): Quasar Framework is a framework for building high-performance Vue.js user interfaces. Prior to 2.22.0, the SSR-only…
CVE-2026-59167 — Critical (CVSS 10.0): SunEditor is a lightweight and powerful WYSIWYG editor in vanilla JavaScript with no dependencies. Prior to 2.47.11,…
CVE-2026-85061 — Critical (CVSS 10.0): MapLibre GL JS is an interactive vector tile map library for web browsers. Prior to 6.4.1, DOM.sanitize() in…
CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →