CVE-2011-0526

NONECVSS 0.0

0.0

Cross-site scripting (XSS) vulnerability in index.php in Vanilla Forums before 2.0.17 allows remote attackers to inject arbitrary web script or HTML via the Target parameter in a /entry/signin action.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 67.0%
KEV: Not listed

Published

February 8, 2011

Last Modified

April 29, 2026

References (12)

secalert@redhathttp://openwall.com/lists/oss-security/2011/01/27/2
secalert@redhathttp://openwall.com/lists/oss-security/2011/01/27/5
secalert@redhathttp://secunia.com/advisories/43074
secalert@redhathttp://www.osvdb.org/70677
secalert@redhathttp://www.vanillaforums.org/discussion/14397/vanilla-2.0.17-released
secalert@redhathttp://yehg.net/lab/pr0js/advisories/%5Bvanilla_forums-2.0.16%5D_cross_site_scripting
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2011/01/27/2
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2011/01/27/5
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/43074
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/70677
af854a3a-2127-422b-91ae-364da2661108http://www.vanillaforums.org/discussion/14397/vanilla-2.0.17-released
af854a3a-2127-422b-91ae-364da2661108http://yehg.net/lab/pr0js/advisories/%5Bvanilla_forums-2.0.16%5D_cross_site_scripting

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:45 UTCepss_batch
2026-06-06 13:44 UTCepss_batch
2026-06-05 22:44 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-05 06:07 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-04 13:09 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-29 08:56 UTCEG score recompute
2026-05-29 08:55 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch

Frequently asked(4)

What is CVE-2011-0526?

CVE-2011-0526 is a none vulnerability published on February 8, 2011. Cross-site scripting (XSS) vulnerability in index.php in Vanilla Forums before 2.0.17 allows remote attackers to inject arbitrary web script or HTML via the Target parameter in a /entry/signin action.

When was CVE-2011-0526 disclosed?

CVE-2011-0526 was first published in the National Vulnerability Database on February 8, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-0526 actively exploited?

CVE-2011-0526 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-0526?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-0526, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2011-0526

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-0526?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (12)

Frequently asked(4)

Related CVEs(same CWE)