Multiple cross-site scripting (XSS) vulnerabilities in Zend Framework 2.0.x before 2.0.1 allow remote attackers to inject arbitrary web script or HTML via unspecified input to (1) Debug, (2) Feed\PubSubHubbub, (3) Log\Formatter\Xml, (4) Tag\Cloud\Decorator, (5) Uri, (6) View\Helper\HeadStyle, (7) View\Helper\Navigation\Sitemap, or (8) View\Helper\Placeholder\Container\AbstractStandalone, related to Escaper.
CVE-2012-4451
MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence
This medium-severity CVE scores 6.1 under NVD CVSS v3. EPSS exploit probability: 1.4% (70th percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1.4%CVSS: 6.1Exploit: None knownExposed services: Not assessed
A fix is referenced (a reference tagged "Patch", often a source commit), but no release containing it is confirmed — find the release that contains it; until it is applied, mitigate (WAF / firewall / segmentation).
- CVSS v3
- 6.1
- EG Score
- 6.1MEDIUMmedium confidence
- EG Risk
- 32EG Risk 32/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation1% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: A fix is referenced, but no release containing it is confirmed. Check the referenced fix and the vendor's advisory for a release that contains it and apply that within your standard update timelines at low or medium mission impact and sooner than that at high; until then, restrict network exposure of the affected system or apply the vendor's mitigation. - EPSS PROB
- 1.4%
- EPSS %ILE
- 70th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
A fix is referenced, but no release containing it is confirmed. Check the referenced fix and the vendor's advisory for a release that contains it and apply that within your standard update timelines at low or medium mission impact and sooner than that at high; until then, restrict network exposure of the affected system or apply the vendor's mitigation.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
January 3, 2020
Last Modified
November 21, 2024
References (16)
- secalert@redhathttp://framework.zend.com/security/advisory/ZF2012-03
- secalert@redhathttp://seclists.org/oss-sec/2012/q3/571
- secalert@redhathttp://seclists.org/oss-sec/2012/q3/573
- secalert@redhathttp://www.securityfocus.com/bid/55636
- secalert@redhathttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=688946#10
- secalert@redhathttps://bugs.gentoo.org/show_bug.cgi?id=436210
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=860738
- secalert@redhathttps://github.com/zendframework/zf2/commit/27131ca9520bdf1d4c774c71459eba32f2b10733
- af854a3a-2127-422b-91ae-364da2661108http://framework.zend.com/security/advisory/ZF2012-03
- af854a3a-2127-422b-91ae-364da2661108http://seclists.org/oss-sec/2012/q3/571
- af854a3a-2127-422b-91ae-364da2661108http://seclists.org/oss-sec/2012/q3/573
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/55636
- af854a3a-2127-422b-91ae-364da2661108https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=688946#10
- af854a3a-2127-422b-91ae-364da2661108https://bugs.gentoo.org/show_bug.cgi?id=436210
- af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=860738
Vendor Advisories for CVE-2012-4451
Vendor advisories for this CVE are temporarily unavailable — the list could not be loaded just now. That is not a sign that none exist; please retry shortly.
Related CVEs(same CWE)· as of October 4, 2026
Frequently asked(5)
What is CVE-2012-4451?
CVE-2012-4451 is a medium vulnerability published on January 3, 2020. Multiple cross-site scripting (XSS) vulnerabilities in Zend Framework 2.0.x before 2.0.1 allow remote attackers to inject arbitrary web script or HTML via unspecified input to (1) Debug, (2) Feed\PubSubHubbub, (3) Log\Formatter\Xml, (4) Tag\Cloud\Decorator, (5) Uri, (6) View\Helper\HeadStyle, (7)…
When was CVE-2012-4451 disclosed?
CVE-2012-4451 was first published on January 3, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-4451 actively exploited?
CVE-2012-4451 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.4% probability of exploitation in the next 30 days (70th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2012-4451?
CVE-2012-4451 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2012-4451?
A fix for CVE-2012-4451 is referenced (a reference tagged "Patch", often a source commit), but EchelonGraph has no release containing it on record. Check that reference and the vendor's advisory for a release that contains the fix and update to it; until then, restrict network exposure of the affected system or apply the vendor's mitigation.
Dependency Blast Radius
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