Cross-site scripting (XSS) vulnerability in post_alert.php in Alert Before Your Post plugin, possibly 0.1.1 and earlier, for WordPress allo…

published 2012-08-23 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-5007

cvss: 4.3; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 8.8%; EPSS 8.8% chance of exploitation in 30 days, percentile 95%
public exploits: 1; Exploit-DB, plus a Nuclei check

Cross-site scripting (XSS) vulnerability in post_alert.php in Alert Before Your Post plugin, possibly 0.1.1 and earlier, for WordPress allows remote attackers to inject arbitrary web script or HTML via the name parameter.

Timeline

2011-11-21 First public exploit (EDB-36323)
2012-08-23 Published

Exploit prediction

8.77% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

EDB-36323 WordPress Plugin Alert Before Your Post - 'name' Cross-Site Scripting webapps, 2011-11-21
Nuclei template Alert Before Your Post <= 0.1.1 - Cross-Site Scripting nuclei detection template
securityfocus.com http://www.securityfocus.com/bid/50743 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

securityfocus.com /bid/50743
vdb-entry, exploit
securityfocus.com /archive/1/520590/100/0/threaded
mailing-list
exchange.xforce.ibmcloud.com /vulnerabilities/71413
vdb-entry

Sources

CVE List CVE-2011-5107
NVD CVE-2011-5107

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary