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CVE-2012-5491

17
FAUCET Score

CVE-2012-5491 describes an information disclosure vulnerability in z3c.form, affecting Plone versions before 4.2.3 and 4.3 beta 1. This flaw allows remote attackers to retrieve default form field values by knowing the form's location and element ID. With a CVSS score of 4.3, it is considered medium severity, requiring moderate attack complexity but only impacting confidentiality. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:plone:plone:1.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.23%
Probability of exploitation in next 30 days
EPSS Percentile
65.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0123 is in the 33rd percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa
Product: ploneFixed in: 4.2.3
pippatch availablevia ghsa
Product: PloneFixed in: 4.3b1

Vendor Advisories (2)

pipGHSA-f8pg-wp5j-rjxxmedium

Plone Information Disclosure

May 17, 2022
redhatCVE-2012-5491Low

(Plone): z3c.form form details exposure

Nov 6, 2012

References

github.com / plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt
plone.org / products/plone-hotfix/releases/20121106
Patch
plone.org / products/plone/security/advisories/20121106/07
Vendor Advisory
openwall.com / lists/oss-security/2012/11/10/1