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CVE-2013-0731

15
FAUCET Score

CVE-2013-0731 describes an access restriction vulnerability in the MailUp plugin for WordPress, affecting versions prior to 1.3.3. This flaw allows remote attackers to modify plugin settings and execute cross-site scripting (XSS) attacks by manipulating the wordpress_logged_in cookie. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication (Au:N) and having low attack complexity (AC:L), primarily impacting integrity (I:P) without affecting confidentiality or availability. 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
<= 1.3.2CPE matchmatch criteria
cpe:2.3:a:mailup:wp-mailup:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:mailup:wp-mailup:1.0.0:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:mailup:wp-mailup:1.1.0:*:*:*:*:*:*:*
1.1.1CPE matchmatch criteria
cpe:2.3:a:mailup:wp-mailup:1.1.1:*:*:*:*:*:*:*
1.1.2CPE matchmatch criteria
cpe:2.3:a:mailup:wp-mailup:1.1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

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

Exploit Intelligence

EPSS Score
2.58%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0259 is in the 76th percentile among its peer group of 23,690 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

osvdb.org / 91274
plugins.trac.wordpress.org / changeset
ExploitPatch
secunia.com / advisories/51917
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/82847
wordpress.org / extend/plugins/wp-mailup/changelog
securityfocus.com / bid/58467