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CVE-2012-4885

20
FAUCET Score

CVE-2012-4885 describes a denial-of-service vulnerability in the wikitext parser of MediaWiki versions 1.17.x before 1.17.3 and 1.18.x before 1.18.2. Remote attackers can trigger an infinite loop, specifically demonstrated with the padleft function, by providing specially crafted input. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having low attack complexity, leading to potential availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.17CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.17:*:*:*:*:*:*:*
1.17CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.17:beta_1:*:*:*:*:*:*
1.17.0CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.17.0:*:*:*:*:*:*:*
1.17.0CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.17.0:rc1:*:*:*:*:*:*
1.17.1CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:1.17.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.88%
Probability of exploitation in next 30 days
EPSS Percentile
77.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0188 is in the 65th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Remediation records are not available for this CVE.

References

lists.wikimedia.org / pipermail/mediawiki-announce/2012-March/000109.html
Vendor Advisory
lists.wikimedia.org / pipermail/mediawiki-announce/2012-March/000110.html
Vendor Advisory
bugzilla.wikimedia.org / show_bug.cgi
Vendor Advisory
bugzilla.wikimedia.org / show_bug.cgi
secunia.com / advisories/48504
Vendor Advisory
openwall.com / lists/oss-security/2012/03/22/9
openwall.com / lists/oss-security/2012/03/24/1
securityfocus.com / bid/52689