VDB-189599 · CVE-2021-25022 · ID 2635585

UpdraftPlus Backup Plugin 1.6.59 on WordPress Admin Page backup_timestamp/job_id cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in UpdraftPlus Backup Plugin on WordPress. This vulnerability affects unknown code of the component Admin Page. The manipulation of the argument backup_timestamp/job_id leads to cross site scripting. This vulnerability is traded as CVE-2021-25022. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Detailsinfo

A vulnerability was found in UpdraftPlus Backup Plugin on WordPress (Backup Software) and classified as problematic. This issue affects an unknown code of the component Admin Page. The manipulation of the argument backup_timestamp/job_id with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.

The weakness was shared 01/03/2022. It is possible to read the advisory at wpscan.com. The identification of this vulnerability is CVE-2021-25022 since 01/14/2021. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 1.16.66 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at plugins.trac.wordpress.org. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Backup Software

Name

UpdraftPlus Backup Plugin

Version

1.6.59

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: UpdraftPlus Backup Plugin 1.16.66
Patch: plugins.trac.wordpress.org

Timelineinfo

01/14/2021 🔍
01/03/2022 +354 days 🔍
01/03/2022 +0 days 🔍
05/22/2025 +1235 days 🔍

Sourcesinfo

Advisory: 2635585
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-25022 (🔍)
GCVE (CVE): GCVE-0-2021-25022
GCVE (VulDB): GCVE-100-189599

Entryinfo

Created: 01/03/2022 05:47 PM
Updated: 05/22/2025 10:09 PM
Changes: 01/03/2022 05:47 PM (41), 01/06/2022 08:22 AM (3), 05/22/2025 10:09 PM (34)
Complete: 🔍
Cache ID: 244:9B8:40